Home / 7,200,579.04-9,935,982.97-4,260,486.28

Finding the Fourth Proportional to 7,200,579.04, 9,935,982.97 and 4,260,486.28

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Solution

The fourth proportional to 7,200,579.04, 9,935,982.97 and 4,260,486.28 is: 5,878,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,579.04 : 9,935,982.97 = 4,260,486.28 : x
  2. Step 2: Convert to fraction form
    7,200,579.04/9,935,982.97 = 4,260,486.28/x
  3. Step 3: Cross multiply
    7,200,579.04x = 9,935,982.97 × 4,260,486.28
  4. Step 4: Simplify right side
    7,200,579.04x = 42,332,119,129,102.68
  5. Step 5: Solve for x
    x = 42,332,119,129,102.68/7,200,579.04
  6. Step 6: Final answer
    x = 5,878,988.19

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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.