Home / 3,547,121.60-5,319,645.60-1,272,382.40

Finding the Fourth Proportional to 3,547,121.60, 5,319,645.60 and 1,272,382.40

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Solution

The fourth proportional to 3,547,121.60, 5,319,645.60 and 1,272,382.40 is: 1,908,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,121.60 : 5,319,645.60 = 1,272,382.40 : x
  2. Step 2: Convert to fraction form
    3,547,121.60/5,319,645.60 = 1,272,382.40/x
  3. Step 3: Cross multiply
    3,547,121.60x = 5,319,645.60 × 1,272,382.40
  4. Step 4: Simplify right side
    3,547,121.60x = 6,768,623,435,677.44
  5. Step 5: Solve for x
    x = 6,768,623,435,677.44/3,547,121.60
  6. Step 6: Final answer
    x = 1,908,201.69

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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.