Home / 3,889,368.80-5,834,053.20-1,645,215.20

Finding the Fourth Proportional to 3,889,368.80, 5,834,053.20 and 1,645,215.20

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Solution

The fourth proportional to 3,889,368.80, 5,834,053.20 and 1,645,215.20 is: 2,467,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,368.80 : 5,834,053.20 = 1,645,215.20 : x
  2. Step 2: Convert to fraction form
    3,889,368.80/5,834,053.20 = 1,645,215.20/x
  3. Step 3: Cross multiply
    3,889,368.80x = 5,834,053.20 × 1,645,215.20
  4. Step 4: Simplify right side
    3,889,368.80x = 9,598,273,002,248.64
  5. Step 5: Solve for x
    x = 9,598,273,002,248.64/3,889,368.80
  6. Step 6: Final answer
    x = 2,467,822.80

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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.