Home / 5,428,214.10-8,139,368.70-2,233,663.20

Finding the Fourth Proportional to 5,428,214.10, 8,139,368.70 and 2,233,663.20

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Solution

The fourth proportional to 5,428,214.10, 8,139,368.70 and 2,233,663.20 is: 3,349,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,214.10 : 8,139,368.70 = 2,233,663.20 : x
  2. Step 2: Convert to fraction form
    5,428,214.10/8,139,368.70 = 2,233,663.20/x
  3. Step 3: Cross multiply
    5,428,214.10x = 8,139,368.70 × 2,233,663.20
  4. Step 4: Simplify right side
    5,428,214.10x = 18,180,608,336,421.84
  5. Step 5: Solve for x
    x = 18,180,608,336,421.84/5,428,214.10
  6. Step 6: Final answer
    x = 3,349,279.89

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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.