Home / 3,209,119.89-4,428,620.10-1,758,784.11

Finding the Fourth Proportional to 3,209,119.89, 4,428,620.10 and 1,758,784.11

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Solution

The fourth proportional to 3,209,119.89, 4,428,620.10 and 1,758,784.11 is: 2,427,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,119.89 : 4,428,620.10 = 1,758,784.11 : x
  2. Step 2: Convert to fraction form
    3,209,119.89/4,428,620.10 = 1,758,784.11/x
  3. Step 3: Cross multiply
    3,209,119.89x = 4,428,620.10 × 1,758,784.11
  4. Step 4: Simplify right side
    3,209,119.89x = 7,788,986,661,106.61
  5. Step 5: Solve for x
    x = 7,788,986,661,106.61/3,209,119.89
  6. Step 6: Final answer
    x = 2,427,141.06

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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.