Home / 3,642,639.12-5,464,222.74-1,398,777.12

Finding the Fourth Proportional to 3,642,639.12, 5,464,222.74 and 1,398,777.12

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Solution

The fourth proportional to 3,642,639.12, 5,464,222.74 and 1,398,777.12 is: 2,098,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,639.12 : 5,464,222.74 = 1,398,777.12 : x
  2. Step 2: Convert to fraction form
    3,642,639.12/5,464,222.74 = 1,398,777.12/x
  3. Step 3: Cross multiply
    3,642,639.12x = 5,464,222.74 × 1,398,777.12
  4. Step 4: Simplify right side
    3,642,639.12x = 7,643,229,747,295.71
  5. Step 5: Solve for x
    x = 7,643,229,747,295.71/3,642,639.12
  6. Step 6: Final answer
    x = 2,098,267.08

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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.