Home / 3,186,000.10-4,779,000.15-1,056,412.90

Finding the Fourth Proportional to 3,186,000.10, 4,779,000.15 and 1,056,412.90

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Solution

The fourth proportional to 3,186,000.10, 4,779,000.15 and 1,056,412.90 is: 1,584,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,000.10 : 4,779,000.15 = 1,056,412.90 : x
  2. Step 2: Convert to fraction form
    3,186,000.10/4,779,000.15 = 1,056,412.90/x
  3. Step 3: Cross multiply
    3,186,000.10x = 4,779,000.15 × 1,056,412.90
  4. Step 4: Simplify right side
    3,186,000.10x = 5,048,597,407,561.93
  5. Step 5: Solve for x
    x = 5,048,597,407,561.93/3,186,000.10
  6. Step 6: Final answer
    x = 1,584,619.35

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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.