Home / 5,156,968.59-7,116,838.10-2,865,129.29

Finding the Fourth Proportional to 5,156,968.59, 7,116,838.10 and 2,865,129.29

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Solution

The fourth proportional to 5,156,968.59, 7,116,838.10 and 2,865,129.29 is: 3,954,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,968.59 : 7,116,838.10 = 2,865,129.29 : x
  2. Step 2: Convert to fraction form
    5,156,968.59/7,116,838.10 = 2,865,129.29/x
  3. Step 3: Cross multiply
    5,156,968.59x = 7,116,838.10 × 2,865,129.29
  4. Step 4: Simplify right side
    5,156,968.59x = 20,390,661,242,588.11
  5. Step 5: Solve for x
    x = 20,390,661,242,588.11/5,156,968.59
  6. Step 6: Final answer
    x = 3,954,001.44

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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.