Home / 5,119,789.19-7,065,174.17-2,827,900.67

Finding the Fourth Proportional to 5,119,789.19, 7,065,174.17 and 2,827,900.67

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Solution

The fourth proportional to 5,119,789.19, 7,065,174.17 and 2,827,900.67 is: 3,902,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,789.19 : 7,065,174.17 = 2,827,900.67 : x
  2. Step 2: Convert to fraction form
    5,119,789.19/7,065,174.17 = 2,827,900.67/x
  3. Step 3: Cross multiply
    5,119,789.19x = 7,065,174.17 × 2,827,900.67
  4. Step 4: Simplify right side
    5,119,789.19x = 19,979,610,740,753.57
  5. Step 5: Solve for x
    x = 19,979,610,740,753.57/5,119,789.19
  6. Step 6: Final answer
    x = 3,902,428.40

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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.