Home / 1,958,766.47-2,703,102.94-1,087,602.78

Finding the Fourth Proportional to 1,958,766.47, 2,703,102.94 and 1,087,602.78

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Solution

The fourth proportional to 1,958,766.47, 2,703,102.94 and 1,087,602.78 is: 1,500,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,766.47 : 2,703,102.94 = 1,087,602.78 : x
  2. Step 2: Convert to fraction form
    1,958,766.47/2,703,102.94 = 1,087,602.78/x
  3. Step 3: Cross multiply
    1,958,766.47x = 2,703,102.94 × 1,087,602.78
  4. Step 4: Simplify right side
    1,958,766.47x = 2,939,902,273,489.92
  5. Step 5: Solve for x
    x = 2,939,902,273,489.92/1,958,766.47
  6. Step 6: Final answer
    x = 1,500,894.73

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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.