Home / 1,625,947.60-2,438,921.40-1,401,998.80

Finding the Fourth Proportional to 1,625,947.60, 2,438,921.40 and 1,401,998.80

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Solution

The fourth proportional to 1,625,947.60, 2,438,921.40 and 1,401,998.80 is: 2,102,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,947.60 : 2,438,921.40 = 1,401,998.80 : x
  2. Step 2: Convert to fraction form
    1,625,947.60/2,438,921.40 = 1,401,998.80/x
  3. Step 3: Cross multiply
    1,625,947.60x = 2,438,921.40 × 1,401,998.80
  4. Step 4: Simplify right side
    1,625,947.60x = 3,419,364,876,094.32
  5. Step 5: Solve for x
    x = 3,419,364,876,094.32/1,625,947.60
  6. Step 6: Final answer
    x = 2,102,998.20

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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.