Home / 3,264,385.40-4,896,578.10-3,139,969.40

Finding the Fourth Proportional to 3,264,385.40, 4,896,578.10 and 3,139,969.40

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Solution

The fourth proportional to 3,264,385.40, 4,896,578.10 and 3,139,969.40 is: 4,709,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264,385.40 : 4,896,578.10 = 3,139,969.40 : x
  2. Step 2: Convert to fraction form
    3,264,385.40/4,896,578.10 = 3,139,969.40/x
  3. Step 3: Cross multiply
    3,264,385.40x = 4,896,578.10 × 3,139,969.40
  4. Step 4: Simplify right side
    3,264,385.40x = 15,375,105,398,710.14
  5. Step 5: Solve for x
    x = 15,375,105,398,710.14/3,264,385.40
  6. Step 6: Final answer
    x = 4,709,954.10

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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.