Home / 2,609,234.64-3,915,088.80-1,260,641.28

Finding the Fourth Proportional to 2,609,234.64, 3,915,088.80 and 1,260,641.28

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Solution

The fourth proportional to 2,609,234.64, 3,915,088.80 and 1,260,641.28 is: 1,891,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609,234.64 : 3,915,088.80 = 1,260,641.28 : x
  2. Step 2: Convert to fraction form
    2,609,234.64/3,915,088.80 = 1,260,641.28/x
  3. Step 3: Cross multiply
    2,609,234.64x = 3,915,088.80 × 1,260,641.28
  4. Step 4: Simplify right side
    2,609,234.64x = 4,935,522,556,145.66
  5. Step 5: Solve for x
    x = 4,935,522,556,145.66/2,609,234.64
  6. Step 6: Final answer
    x = 1,891,559.49

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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.