Home / 1,807,920.21-2,494,960.52-992,199.79

Finding the Fourth Proportional to 1,807,920.21, 2,494,960.52 and 992,199.79

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Solution

The fourth proportional to 1,807,920.21, 2,494,960.52 and 992,199.79 is: 1,369,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,920.21 : 2,494,960.52 = 992,199.79 : x
  2. Step 2: Convert to fraction form
    1,807,920.21/2,494,960.52 = 992,199.79/x
  3. Step 3: Cross multiply
    1,807,920.21x = 2,494,960.52 × 992,199.79
  4. Step 4: Simplify right side
    1,807,920.21x = 2,475,499,292,803.89
  5. Step 5: Solve for x
    x = 2,475,499,292,803.89/1,807,920.21
  6. Step 6: Final answer
    x = 1,369,252.51

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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.