Home / 2,849,192.20-3,932,259.78-1,625,217.40

Finding the Fourth Proportional to 2,849,192.20, 3,932,259.78 and 1,625,217.40

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Solution

The fourth proportional to 2,849,192.20, 3,932,259.78 and 1,625,217.40 is: 2,243,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849,192.20 : 3,932,259.78 = 1,625,217.40 : x
  2. Step 2: Convert to fraction form
    2,849,192.20/3,932,259.78 = 1,625,217.40/x
  3. Step 3: Cross multiply
    2,849,192.20x = 3,932,259.78 × 1,625,217.40
  4. Step 4: Simplify right side
    2,849,192.20x = 6,390,777,015,776.17
  5. Step 5: Solve for x
    x = 6,390,777,015,776.17/2,849,192.20
  6. Step 6: Final answer
    x = 2,243,013.66

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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.