Home / 1,608,178.30-2,423,826.79-1,386,217.66

Finding the Fourth Proportional to 1,608,178.30, 2,423,826.79 and 1,386,217.66

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Solution

The fourth proportional to 1,608,178.30, 2,423,826.79 and 1,386,217.66 is: 2,089,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,178.30 : 2,423,826.79 = 1,386,217.66 : x
  2. Step 2: Convert to fraction form
    1,608,178.30/2,423,826.79 = 1,386,217.66/x
  3. Step 3: Cross multiply
    1,608,178.30x = 2,423,826.79 × 1,386,217.66
  4. Step 4: Simplify right side
    1,608,178.30x = 3,359,951,501,079.11
  5. Step 5: Solve for x
    x = 3,359,951,501,079.11/1,608,178.30
  6. Step 6: Final answer
    x = 2,089,290.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.