Home / 4,170,938.60-6,254,127.14-3,311,891.78

Finding the Fourth Proportional to 4,170,938.60, 6,254,127.14 and 3,311,891.78

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Solution

The fourth proportional to 4,170,938.60, 6,254,127.14 and 3,311,891.78 is: 4,966,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170,938.60 : 6,254,127.14 = 3,311,891.78 : x
  2. Step 2: Convert to fraction form
    4,170,938.60/6,254,127.14 = 3,311,891.78/x
  3. Step 3: Cross multiply
    4,170,938.60x = 6,254,127.14 × 3,311,891.78
  4. Step 4: Simplify right side
    4,170,938.60x = 20,712,992,218,210.81
  5. Step 5: Solve for x
    x = 20,712,992,218,210.81/4,170,938.60
  6. Step 6: Final answer
    x = 4,966,026.65

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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.