Home / 1,878,816-2,592,766.24-1,074,017.28

Finding the Fourth Proportional to 1,878,816, 2,592,766.24 and 1,074,017.28

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Solution

The fourth proportional to 1,878,816, 2,592,766.24 and 1,074,017.28 is: 1,482,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,816 : 2,592,766.24 = 1,074,017.28 : x
  2. Step 2: Convert to fraction form
    1,878,816/2,592,766.24 = 1,074,017.28/x
  3. Step 3: Cross multiply
    1,878,816x = 2,592,766.24 × 1,074,017.28
  4. Step 4: Simplify right side
    1,878,816x = 2,784,675,744,760.63
  5. Step 5: Solve for x
    x = 2,784,675,744,760.63/1,878,816
  6. Step 6: Final answer
    x = 1,482,143.94

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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.