Home / 4,920,779.80-7,381,169.70-2,759,586.40

Finding the Fourth Proportional to 4,920,779.80, 7,381,169.70 and 2,759,586.40

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Solution

The fourth proportional to 4,920,779.80, 7,381,169.70 and 2,759,586.40 is: 4,139,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,779.80 : 7,381,169.70 = 2,759,586.40 : x
  2. Step 2: Convert to fraction form
    4,920,779.80/7,381,169.70 = 2,759,586.40/x
  3. Step 3: Cross multiply
    4,920,779.80x = 7,381,169.70 × 2,759,586.40
  4. Step 4: Simplify right side
    4,920,779.80x = 20,368,975,520,212.08
  5. Step 5: Solve for x
    x = 20,368,975,520,212.08/4,920,779.80
  6. Step 6: Final answer
    x = 4,139,379.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.