Home / 1,547,547.10-2,321,320.65-1,281,607.90

Finding the Fourth Proportional to 1,547,547.10, 2,321,320.65 and 1,281,607.90

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Solution

The fourth proportional to 1,547,547.10, 2,321,320.65 and 1,281,607.90 is: 1,922,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,547.10 : 2,321,320.65 = 1,281,607.90 : x
  2. Step 2: Convert to fraction form
    1,547,547.10/2,321,320.65 = 1,281,607.90/x
  3. Step 3: Cross multiply
    1,547,547.10x = 2,321,320.65 × 1,281,607.90
  4. Step 4: Simplify right side
    1,547,547.10x = 2,975,022,883,473.14
  5. Step 5: Solve for x
    x = 2,975,022,883,473.14/1,547,547.10
  6. Step 6: Final answer
    x = 1,922,411.85

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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.