Home / 1,807,345.20-2,494,297.70-991,707.71

Finding the Fourth Proportional to 1,807,345.20, 2,494,297.70 and 991,707.71

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Solution

The fourth proportional to 1,807,345.20, 2,494,297.70 and 991,707.71 is: 1,368,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,345.20 : 2,494,297.70 = 991,707.71 : x
  2. Step 2: Convert to fraction form
    1,807,345.20/2,494,297.70 = 991,707.71/x
  3. Step 3: Cross multiply
    1,807,345.20x = 2,494,297.70 × 991,707.71
  4. Step 4: Simplify right side
    1,807,345.20x = 2,473,614,246,414.14
  5. Step 5: Solve for x
    x = 2,473,614,246,414.14/1,807,345.20
  6. Step 6: Final answer
    x = 1,368,645.15

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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.