Home / 2,486,961.60-3,730,442.40-1,889,764.80

Finding the Fourth Proportional to 2,486,961.60, 3,730,442.40 and 1,889,764.80

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Solution

The fourth proportional to 2,486,961.60, 3,730,442.40 and 1,889,764.80 is: 2,834,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,961.60 : 3,730,442.40 = 1,889,764.80 : x
  2. Step 2: Convert to fraction form
    2,486,961.60/3,730,442.40 = 1,889,764.80/x
  3. Step 3: Cross multiply
    2,486,961.60x = 3,730,442.40 × 1,889,764.80
  4. Step 4: Simplify right side
    2,486,961.60x = 7,049,658,735,947.52
  5. Step 5: Solve for x
    x = 7,049,658,735,947.52/2,486,961.60
  6. Step 6: Final answer
    x = 2,834,647.20

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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.