Home / 5,176,042.98-7,143,470.82-3,111,726.84

Finding the Fourth Proportional to 5,176,042.98, 7,143,470.82 and 3,111,726.84

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Solution

The fourth proportional to 5,176,042.98, 7,143,470.82 and 3,111,726.84 is: 4,294,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,042.98 : 7,143,470.82 = 3,111,726.84 : x
  2. Step 2: Convert to fraction form
    5,176,042.98/7,143,470.82 = 3,111,726.84/x
  3. Step 3: Cross multiply
    5,176,042.98x = 7,143,470.82 × 3,111,726.84
  4. Step 4: Simplify right side
    5,176,042.98x = 22,228,529,881,350.81
  5. Step 5: Solve for x
    x = 22,228,529,881,350.81/5,176,042.98
  6. Step 6: Final answer
    x = 4,294,502.57

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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.