Home / 2,839,631.68-3,918,772.40-1,550,553.76

Finding the Fourth Proportional to 2,839,631.68, 3,918,772.40 and 1,550,553.76

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Solution

The fourth proportional to 2,839,631.68, 3,918,772.40 and 1,550,553.76 is: 2,139,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,631.68 : 3,918,772.40 = 1,550,553.76 : x
  2. Step 2: Convert to fraction form
    2,839,631.68/3,918,772.40 = 1,550,553.76/x
  3. Step 3: Cross multiply
    2,839,631.68x = 3,918,772.40 × 1,550,553.76
  4. Step 4: Simplify right side
    2,839,631.68x = 6,076,267,279,404.22
  5. Step 5: Solve for x
    x = 6,076,267,279,404.22/2,839,631.68
  6. Step 6: Final answer
    x = 2,139,808.24

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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.