Home / 5,127,865.92-7,076,419.20-2,835,941.76

Finding the Fourth Proportional to 5,127,865.92, 7,076,419.20 and 2,835,941.76

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Solution

The fourth proportional to 5,127,865.92, 7,076,419.20 and 2,835,941.76 is: 3,913,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,865.92 : 7,076,419.20 = 2,835,941.76 : x
  2. Step 2: Convert to fraction form
    5,127,865.92/7,076,419.20 = 2,835,941.76/x
  3. Step 3: Cross multiply
    5,127,865.92x = 7,076,419.20 × 2,835,941.76
  4. Step 4: Simplify right side
    5,127,865.92x = 20,068,312,720,545.79
  5. Step 5: Solve for x
    x = 20,068,312,720,545.79/5,127,865.92
  6. Step 6: Final answer
    x = 3,913,579.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.