Home / 5,123,848.43-7,070,787.70-2,800,636.61

Finding the Fourth Proportional to 5,123,848.43, 7,070,787.70 and 2,800,636.61

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Solution

The fourth proportional to 5,123,848.43, 7,070,787.70 and 2,800,636.61 is: 3,864,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,848.43 : 7,070,787.70 = 2,800,636.61 : x
  2. Step 2: Convert to fraction form
    5,123,848.43/7,070,787.70 = 2,800,636.61/x
  3. Step 3: Cross multiply
    5,123,848.43x = 7,070,787.70 × 2,800,636.61
  4. Step 4: Simplify right side
    5,123,848.43x = 19,802,706,851,802.17
  5. Step 5: Solve for x
    x = 19,802,706,851,802.17/5,123,848.43
  6. Step 6: Final answer
    x = 3,864,811.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.