Home / 2,687,729.60-4,026,064.80-1,847,230.40

Finding the Fourth Proportional to 2,687,729.60, 4,026,064.80 and 1,847,230.40

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Solution

The fourth proportional to 2,687,729.60, 4,026,064.80 and 1,847,230.40 is: 2,767,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,729.60 : 4,026,064.80 = 1,847,230.40 : x
  2. Step 2: Convert to fraction form
    2,687,729.60/4,026,064.80 = 1,847,230.40/x
  3. Step 3: Cross multiply
    2,687,729.60x = 4,026,064.80 × 1,847,230.40
  4. Step 4: Simplify right side
    2,687,729.60x = 7,437,069,290,929.92
  5. Step 5: Solve for x
    x = 7,437,069,290,929.92/2,687,729.60
  6. Step 6: Final answer
    x = 2,767,045.20

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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.