Home / 1,868,517.48-2,578,553.76-1,009,077.60

Finding the Fourth Proportional to 1,868,517.48, 2,578,553.76 and 1,009,077.60

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Solution

The fourth proportional to 1,868,517.48, 2,578,553.76 and 1,009,077.60 is: 1,392,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,517.48 : 2,578,553.76 = 1,009,077.60 : x
  2. Step 2: Convert to fraction form
    1,868,517.48/2,578,553.76 = 1,009,077.60/x
  3. Step 3: Cross multiply
    1,868,517.48x = 2,578,553.76 × 1,009,077.60
  4. Step 4: Simplify right side
    1,868,517.48x = 2,601,960,839,611.78
  5. Step 5: Solve for x
    x = 2,601,960,839,611.78/1,868,517.48
  6. Step 6: Final answer
    x = 1,392,526.89

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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.