Home / 2,628,715.60-3,942,781.80-735,648.40

Finding the Fourth Proportional to 2,628,715.60, 3,942,781.80 and 735,648.40

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Solution

The fourth proportional to 2,628,715.60, 3,942,781.80 and 735,648.40 is: 1,103,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,715.60 : 3,942,781.80 = 735,648.40 : x
  2. Step 2: Convert to fraction form
    2,628,715.60/3,942,781.80 = 735,648.40/x
  3. Step 3: Cross multiply
    2,628,715.60x = 3,942,781.80 × 735,648.40
  4. Step 4: Simplify right side
    2,628,715.60x = 2,900,501,122,719.12
  5. Step 5: Solve for x
    x = 2,900,501,122,719.12/2,628,715.60
  6. Step 6: Final answer
    x = 1,103,391.00

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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.