Home / 5,123,453.80-7,677,580.86-2,087,110.48

Finding the Fourth Proportional to 5,123,453.80, 7,677,580.86 and 2,087,110.48

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Solution

The fourth proportional to 5,123,453.80, 7,677,580.86 and 2,087,110.48 is: 3,127,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,453.80 : 7,677,580.86 = 2,087,110.48 : x
  2. Step 2: Convert to fraction form
    5,123,453.80/7,677,580.86 = 2,087,110.48/x
  3. Step 3: Cross multiply
    5,123,453.80x = 7,677,580.86 × 2,087,110.48
  4. Step 4: Simplify right side
    5,123,453.80x = 16,023,959,473,953.41
  5. Step 5: Solve for x
    x = 16,023,959,473,953.41/5,123,453.80
  6. Step 6: Final answer
    x = 3,127,569.82

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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.