Home / 1,547,540.10-2,321,310.15-1,069,243.20

Finding the Fourth Proportional to 1,547,540.10, 2,321,310.15 and 1,069,243.20

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Solution

The fourth proportional to 1,547,540.10, 2,321,310.15 and 1,069,243.20 is: 1,603,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,540.10 : 2,321,310.15 = 1,069,243.20 : x
  2. Step 2: Convert to fraction form
    1,547,540.10/2,321,310.15 = 1,069,243.20/x
  3. Step 3: Cross multiply
    1,547,540.10x = 2,321,310.15 × 1,069,243.20
  4. Step 4: Simplify right side
    1,547,540.10x = 2,482,045,092,978.48
  5. Step 5: Solve for x
    x = 2,482,045,092,978.48/1,547,540.10
  6. Step 6: Final answer
    x = 1,603,864.80

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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.