Home / 1,547,462.80-2,321,850.30-979,280.20

Finding the Fourth Proportional to 1,547,462.80, 2,321,850.30 and 979,280.20

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Solution

The fourth proportional to 1,547,462.80, 2,321,850.30 and 979,280.20 is: 1,469,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,462.80 : 2,321,850.30 = 979,280.20 : x
  2. Step 2: Convert to fraction form
    1,547,462.80/2,321,850.30 = 979,280.20/x
  3. Step 3: Cross multiply
    1,547,462.80x = 2,321,850.30 × 979,280.20
  4. Step 4: Simplify right side
    1,547,462.80x = 2,273,742,026,154.06
  5. Step 5: Solve for x
    x = 2,273,742,026,154.06/1,547,462.80
  6. Step 6: Final answer
    x = 1,469,335.50

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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.