Home / 2,187,352.70-3,281,029.05-766,896.20

Finding the Fourth Proportional to 2,187,352.70, 3,281,029.05 and 766,896.20

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Solution

The fourth proportional to 2,187,352.70, 3,281,029.05 and 766,896.20 is: 1,150,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,352.70 : 3,281,029.05 = 766,896.20 : x
  2. Step 2: Convert to fraction form
    2,187,352.70/3,281,029.05 = 766,896.20/x
  3. Step 3: Cross multiply
    2,187,352.70x = 3,281,029.05 × 766,896.20
  4. Step 4: Simplify right side
    2,187,352.70x = 2,516,208,710,534.61
  5. Step 5: Solve for x
    x = 2,516,208,710,534.61/2,187,352.70
  6. Step 6: Final answer
    x = 1,150,344.30

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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.