Home / 5,100,427.38-7,038,337.14-2,808,159.78

Finding the Fourth Proportional to 5,100,427.38, 7,038,337.14 and 2,808,159.78

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Solution

The fourth proportional to 5,100,427.38, 7,038,337.14 and 2,808,159.78 is: 3,875,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,427.38 : 7,038,337.14 = 2,808,159.78 : x
  2. Step 2: Convert to fraction form
    5,100,427.38/7,038,337.14 = 2,808,159.78/x
  3. Step 3: Cross multiply
    5,100,427.38x = 7,038,337.14 × 2,808,159.78
  4. Step 4: Simplify right side
    5,100,427.38x = 19,764,775,274,628.23
  5. Step 5: Solve for x
    x = 19,764,775,274,628.23/5,100,427.38
  6. Step 6: Final answer
    x = 3,875,121.40

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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.