Home / 5,177,454.56-7,765,656.96-1,390,445.36

Finding the Fourth Proportional to 5,177,454.56, 7,765,656.96 and 1,390,445.36

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Solution

The fourth proportional to 5,177,454.56, 7,765,656.96 and 1,390,445.36 is: 2,085,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,454.56 : 7,765,656.96 = 1,390,445.36 : x
  2. Step 2: Convert to fraction form
    5,177,454.56/7,765,656.96 = 1,390,445.36/x
  3. Step 3: Cross multiply
    5,177,454.56x = 7,765,656.96 × 1,390,445.36
  4. Step 4: Simplify right side
    5,177,454.56x = 10,797,721,687,383.71
  5. Step 5: Solve for x
    x = 10,797,721,687,383.71/5,177,454.56
  6. Step 6: Final answer
    x = 2,085,527.08

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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.