Home / 1,955,372.40-2,932,912.80-817,840.80

Finding the Fourth Proportional to 1,955,372.40, 2,932,912.80 and 817,840.80

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Solution

The fourth proportional to 1,955,372.40, 2,932,912.80 and 817,840.80 is: 1,226,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,372.40 : 2,932,912.80 = 817,840.80 : x
  2. Step 2: Convert to fraction form
    1,955,372.40/2,932,912.80 = 817,840.80/x
  3. Step 3: Cross multiply
    1,955,372.40x = 2,932,912.80 × 817,840.80
  4. Step 4: Simplify right side
    1,955,372.40x = 2,398,655,750,682.24
  5. Step 5: Solve for x
    x = 2,398,655,750,682.24/1,955,372.40
  6. Step 6: Final answer
    x = 1,226,700.22

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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.