Home / 4,128,357.60-6,193,520.55-1,996,688.70

Finding the Fourth Proportional to 4,128,357.60, 6,193,520.55 and 1,996,688.70

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Solution

The fourth proportional to 4,128,357.60, 6,193,520.55 and 1,996,688.70 is: 2,995,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,357.60 : 6,193,520.55 = 1,996,688.70 : x
  2. Step 2: Convert to fraction form
    4,128,357.60/6,193,520.55 = 1,996,688.70/x
  3. Step 3: Cross multiply
    4,128,357.60x = 6,193,520.55 × 1,996,688.70
  4. Step 4: Simplify right side
    4,128,357.60x = 12,366,532,495,402.79
  5. Step 5: Solve for x
    x = 12,366,532,495,402.79/4,128,357.60
  6. Step 6: Final answer
    x = 2,995,509.04

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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.