Home / 2,870,535.40-4,306,386.30-977,468.20

Finding the Fourth Proportional to 2,870,535.40, 4,306,386.30 and 977,468.20

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Solution

The fourth proportional to 2,870,535.40, 4,306,386.30 and 977,468.20 is: 1,466,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,535.40 : 4,306,386.30 = 977,468.20 : x
  2. Step 2: Convert to fraction form
    2,870,535.40/4,306,386.30 = 977,468.20/x
  3. Step 3: Cross multiply
    2,870,535.40x = 4,306,386.30 × 977,468.20
  4. Step 4: Simplify right side
    2,870,535.40x = 4,209,355,665,165.66
  5. Step 5: Solve for x
    x = 4,209,355,665,165.66/2,870,535.40
  6. Step 6: Final answer
    x = 1,466,400.89

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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.