Home / 2,604,345.60-3,906,712.80-921,230.40

Finding the Fourth Proportional to 2,604,345.60, 3,906,712.80 and 921,230.40

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Solution

The fourth proportional to 2,604,345.60, 3,906,712.80 and 921,230.40 is: 1,381,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604,345.60 : 3,906,712.80 = 921,230.40 : x
  2. Step 2: Convert to fraction form
    2,604,345.60/3,906,712.80 = 921,230.40/x
  3. Step 3: Cross multiply
    2,604,345.60x = 3,906,712.80 × 921,230.40
  4. Step 4: Simplify right side
    2,604,345.60x = 3,598,982,595,429.12
  5. Step 5: Solve for x
    x = 3,598,982,595,429.12/2,604,345.60
  6. Step 6: Final answer
    x = 1,381,914.36

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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.