Home / 3,721,124.40-5,581,686.60-1,327,671.60

Finding the Fourth Proportional to 3,721,124.40, 5,581,686.60 and 1,327,671.60

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Solution

The fourth proportional to 3,721,124.40, 5,581,686.60 and 1,327,671.60 is: 1,991,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,124.40 : 5,581,686.60 = 1,327,671.60 : x
  2. Step 2: Convert to fraction form
    3,721,124.40/5,581,686.60 = 1,327,671.60/x
  3. Step 3: Cross multiply
    3,721,124.40x = 5,581,686.60 × 1,327,671.60
  4. Step 4: Simplify right side
    3,721,124.40x = 7,410,646,778,920.56
  5. Step 5: Solve for x
    x = 7,410,646,778,920.56/3,721,124.40
  6. Step 6: Final answer
    x = 1,991,507.40

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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.