Home / 5,319,318.30-7,973,728.65-2,621,435.10

Finding the Fourth Proportional to 5,319,318.30, 7,973,728.65 and 2,621,435.10

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Solution

The fourth proportional to 5,319,318.30, 7,973,728.65 and 2,621,435.10 is: 3,929,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319,318.30 : 7,973,728.65 = 2,621,435.10 : x
  2. Step 2: Convert to fraction form
    5,319,318.30/7,973,728.65 = 2,621,435.10/x
  3. Step 3: Cross multiply
    5,319,318.30x = 7,973,728.65 × 2,621,435.10
  4. Step 4: Simplify right side
    5,319,318.30x = 20,902,612,160,985.62
  5. Step 5: Solve for x
    x = 20,902,612,160,985.62/5,319,318.30
  6. Step 6: Final answer
    x = 3,929,565.97

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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.