Home / 6,439,885.80-9,659,828.70-4,316,519.40

Finding the Fourth Proportional to 6,439,885.80, 9,659,828.70 and 4,316,519.40

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Solution

The fourth proportional to 6,439,885.80, 9,659,828.70 and 4,316,519.40 is: 6,474,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,885.80 : 9,659,828.70 = 4,316,519.40 : x
  2. Step 2: Convert to fraction form
    6,439,885.80/9,659,828.70 = 4,316,519.40/x
  3. Step 3: Cross multiply
    6,439,885.80x = 9,659,828.70 × 4,316,519.40
  4. Step 4: Simplify right side
    6,439,885.80x = 41,696,837,984,226.78
  5. Step 5: Solve for x
    x = 41,696,837,984,226.78/6,439,885.80
  6. Step 6: Final answer
    x = 6,474,779.10

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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.