Home / 2,140,381.60-2,953,847.26-1,269,731.76

Finding the Fourth Proportional to 2,140,381.60, 2,953,847.26 and 1,269,731.76

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Solution

The fourth proportional to 2,140,381.60, 2,953,847.26 and 1,269,731.76 is: 1,752,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,381.60 : 2,953,847.26 = 1,269,731.76 : x
  2. Step 2: Convert to fraction form
    2,140,381.60/2,953,847.26 = 1,269,731.76/x
  3. Step 3: Cross multiply
    2,140,381.60x = 2,953,847.26 × 1,269,731.76
  4. Step 4: Simplify right side
    2,140,381.60x = 3,750,593,680,210.98
  5. Step 5: Solve for x
    x = 3,750,593,680,210.98/2,140,381.60
  6. Step 6: Final answer
    x = 1,752,301.40

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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.