Home / 2,587,947.80-3,881,921.70-1,692,152.60

Finding the Fourth Proportional to 2,587,947.80, 3,881,921.70 and 1,692,152.60

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Solution

The fourth proportional to 2,587,947.80, 3,881,921.70 and 1,692,152.60 is: 2,538,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,947.80 : 3,881,921.70 = 1,692,152.60 : x
  2. Step 2: Convert to fraction form
    2,587,947.80/3,881,921.70 = 1,692,152.60/x
  3. Step 3: Cross multiply
    2,587,947.80x = 3,881,921.70 × 1,692,152.60
  4. Step 4: Simplify right side
    2,587,947.80x = 6,568,803,897,651.42
  5. Step 5: Solve for x
    x = 6,568,803,897,651.42/2,587,947.80
  6. Step 6: Final answer
    x = 2,538,228.90

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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.