Home / 3,264,278.40-4,896,417.60-3,208,291.20

Finding the Fourth Proportional to 3,264,278.40, 4,896,417.60 and 3,208,291.20

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Solution

The fourth proportional to 3,264,278.40, 4,896,417.60 and 3,208,291.20 is: 4,812,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264,278.40 : 4,896,417.60 = 3,208,291.20 : x
  2. Step 2: Convert to fraction form
    3,264,278.40/4,896,417.60 = 3,208,291.20/x
  3. Step 3: Cross multiply
    3,264,278.40x = 4,896,417.60 × 3,208,291.20
  4. Step 4: Simplify right side
    3,264,278.40x = 15,709,133,497,605.12
  5. Step 5: Solve for x
    x = 15,709,133,497,605.12/3,264,278.40
  6. Step 6: Final answer
    x = 4,812,436.80

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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.