Home / 5,127,300.12-7,690,966.74-1,931,568.12

Finding the Fourth Proportional to 5,127,300.12, 7,690,966.74 and 1,931,568.12

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Solution

The fourth proportional to 5,127,300.12, 7,690,966.74 and 1,931,568.12 is: 2,897,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,300.12 : 7,690,966.74 = 1,931,568.12 : x
  2. Step 2: Convert to fraction form
    5,127,300.12/7,690,966.74 = 1,931,568.12/x
  3. Step 3: Cross multiply
    5,127,300.12x = 7,690,966.74 × 1,931,568.12
  4. Step 4: Simplify right side
    5,127,300.12x = 14,855,626,166,964.33
  5. Step 5: Solve for x
    x = 14,855,626,166,964.33/5,127,300.12
  6. Step 6: Final answer
    x = 2,897,358.42

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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.