Home / 2,591,128.80-3,881,444.40-1,467,885.60

Finding the Fourth Proportional to 2,591,128.80, 3,881,444.40 and 1,467,885.60

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Solution

The fourth proportional to 2,591,128.80, 3,881,444.40 and 1,467,885.60 is: 2,198,854.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,128.80 : 3,881,444.40 = 1,467,885.60 : x
  2. Step 2: Convert to fraction form
    2,591,128.80/3,881,444.40 = 1,467,885.60/x
  3. Step 3: Cross multiply
    2,591,128.80x = 3,881,444.40 × 1,467,885.60
  4. Step 4: Simplify right side
    2,591,128.80x = 5,697,516,341,960.64
  5. Step 5: Solve for x
    x = 5,697,516,341,960.64/2,591,128.80
  6. Step 6: Final answer
    x = 2,198,854.93

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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.