Home / 2,620,963.98-3,932,392.05-915,358.32

Finding the Fourth Proportional to 2,620,963.98, 3,932,392.05 and 915,358.32

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Solution

The fourth proportional to 2,620,963.98, 3,932,392.05 and 915,358.32 is: 1,373,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,963.98 : 3,932,392.05 = 915,358.32 : x
  2. Step 2: Convert to fraction form
    2,620,963.98/3,932,392.05 = 915,358.32/x
  3. Step 3: Cross multiply
    2,620,963.98x = 3,932,392.05 × 915,358.32
  4. Step 4: Simplify right side
    2,620,963.98x = 3,599,547,780,469.36
  5. Step 5: Solve for x
    x = 3,599,547,780,469.36/2,620,963.98
  6. Step 6: Final answer
    x = 1,373,367.89

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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.