Home / 1,992,515.16-2,748,838.88-1,304,355.36

Finding the Fourth Proportional to 1,992,515.16, 2,748,838.88 and 1,304,355.36

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Solution

The fourth proportional to 1,992,515.16, 2,748,838.88 and 1,304,355.36 is: 1,799,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,515.16 : 2,748,838.88 = 1,304,355.36 : x
  2. Step 2: Convert to fraction form
    1,992,515.16/2,748,838.88 = 1,304,355.36/x
  3. Step 3: Cross multiply
    1,992,515.16x = 2,748,838.88 × 1,304,355.36
  4. Step 4: Simplify right side
    1,992,515.16x = 3,585,462,726,904.40
  5. Step 5: Solve for x
    x = 3,585,462,726,904.40/1,992,515.16
  6. Step 6: Final answer
    x = 1,799,465.72

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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.