Home / 5,168,333.28-7,132,174.06-2,845,206.91

Finding the Fourth Proportional to 5,168,333.28, 7,132,174.06 and 2,845,206.91

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Solution

The fourth proportional to 5,168,333.28, 7,132,174.06 and 2,845,206.91 is: 3,926,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,333.28 : 7,132,174.06 = 2,845,206.91 : x
  2. Step 2: Convert to fraction form
    5,168,333.28/7,132,174.06 = 2,845,206.91/x
  3. Step 3: Cross multiply
    5,168,333.28x = 7,132,174.06 × 2,845,206.91
  4. Step 4: Simplify right side
    5,168,333.28x = 20,292,510,918,834.75
  5. Step 5: Solve for x
    x = 20,292,510,918,834.75/5,168,333.28
  6. Step 6: Final answer
    x = 3,926,316.25

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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.