Home / 1,948,429.20-2,914,770.60-1,685,114.40

Finding the Fourth Proportional to 1,948,429.20, 2,914,770.60 and 1,685,114.40

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Solution

The fourth proportional to 1,948,429.20, 2,914,770.60 and 1,685,114.40 is: 2,520,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,429.20 : 2,914,770.60 = 1,685,114.40 : x
  2. Step 2: Convert to fraction form
    1,948,429.20/2,914,770.60 = 1,685,114.40/x
  3. Step 3: Cross multiply
    1,948,429.20x = 2,914,770.60 × 1,685,114.40
  4. Step 4: Simplify right side
    1,948,429.20x = 4,911,721,910,756.64
  5. Step 5: Solve for x
    x = 4,911,721,910,756.64/1,948,429.20
  6. Step 6: Final answer
    x = 2,520,862.40

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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.