Home / 3,118,531.60-4,677,797.40-1,921,805.20

Finding the Fourth Proportional to 3,118,531.60, 4,677,797.40 and 1,921,805.20

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Solution

The fourth proportional to 3,118,531.60, 4,677,797.40 and 1,921,805.20 is: 2,882,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,531.60 : 4,677,797.40 = 1,921,805.20 : x
  2. Step 2: Convert to fraction form
    3,118,531.60/4,677,797.40 = 1,921,805.20/x
  3. Step 3: Cross multiply
    3,118,531.60x = 4,677,797.40 × 1,921,805.20
  4. Step 4: Simplify right side
    3,118,531.60x = 8,989,815,367,866.48
  5. Step 5: Solve for x
    x = 8,989,815,367,866.48/3,118,531.60
  6. Step 6: Final answer
    x = 2,882,707.80

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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.