Home / 1,892,135.61-2,838,203.42-472,191.71

Finding the Fourth Proportional to 1,892,135.61, 2,838,203.42 and 472,191.71

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Solution

The fourth proportional to 1,892,135.61, 2,838,203.42 and 472,191.71 is: 708,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,135.61 : 2,838,203.42 = 472,191.71 : x
  2. Step 2: Convert to fraction form
    1,892,135.61/2,838,203.42 = 472,191.71/x
  3. Step 3: Cross multiply
    1,892,135.61x = 2,838,203.42 × 472,191.71
  4. Step 4: Simplify right side
    1,892,135.61x = 1,340,176,109,665.67
  5. Step 5: Solve for x
    x = 1,340,176,109,665.67/1,892,135.61
  6. Step 6: Final answer
    x = 708,287.56

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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.