Home / 3,187,398.88-4,398,766.40-1,792,399.57

Finding the Fourth Proportional to 3,187,398.88, 4,398,766.40 and 1,792,399.57

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Solution

The fourth proportional to 3,187,398.88, 4,398,766.40 and 1,792,399.57 is: 2,473,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,398.88 : 4,398,766.40 = 1,792,399.57 : x
  2. Step 2: Convert to fraction form
    3,187,398.88/4,398,766.40 = 1,792,399.57/x
  3. Step 3: Cross multiply
    3,187,398.88x = 4,398,766.40 × 1,792,399.57
  4. Step 4: Simplify right side
    3,187,398.88x = 7,884,346,983,931.53
  5. Step 5: Solve for x
    x = 7,884,346,983,931.53/3,187,398.88
  6. Step 6: Final answer
    x = 2,473,599.10

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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.