Home / 2,600,503.30-3,900,767.10-917,606.80

Finding the Fourth Proportional to 2,600,503.30, 3,900,767.10 and 917,606.80

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Solution

The fourth proportional to 2,600,503.30, 3,900,767.10 and 917,606.80 is: 1,376,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,503.30 : 3,900,767.10 = 917,606.80 : x
  2. Step 2: Convert to fraction form
    2,600,503.30/3,900,767.10 = 917,606.80/x
  3. Step 3: Cross multiply
    2,600,503.30x = 3,900,767.10 × 917,606.80
  4. Step 4: Simplify right side
    2,600,503.30x = 3,579,370,416,176.28
  5. Step 5: Solve for x
    x = 3,579,370,416,176.28/2,600,503.30
  6. Step 6: Final answer
    x = 1,376,414.49

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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.