Home / 3,120,350.70-4,671,194.85-1,857,528.30

Finding the Fourth Proportional to 3,120,350.70, 4,671,194.85 and 1,857,528.30

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Solution

The fourth proportional to 3,120,350.70, 4,671,194.85 and 1,857,528.30 is: 2,780,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,350.70 : 4,671,194.85 = 1,857,528.30 : x
  2. Step 2: Convert to fraction form
    3,120,350.70/4,671,194.85 = 1,857,528.30/x
  3. Step 3: Cross multiply
    3,120,350.70x = 4,671,194.85 × 1,857,528.30
  4. Step 4: Simplify right side
    3,120,350.70x = 8,676,876,628,689.26
  5. Step 5: Solve for x
    x = 8,676,876,628,689.26/3,120,350.70
  6. Step 6: Final answer
    x = 2,780,737.64

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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.