Home / 2,840,862.80-4,255,764.60-1,715,589.20

Finding the Fourth Proportional to 2,840,862.80, 4,255,764.60 and 1,715,589.20

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Solution

The fourth proportional to 2,840,862.80, 4,255,764.60 and 1,715,589.20 is: 2,570,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,862.80 : 4,255,764.60 = 1,715,589.20 : x
  2. Step 2: Convert to fraction form
    2,840,862.80/4,255,764.60 = 1,715,589.20/x
  3. Step 3: Cross multiply
    2,840,862.80x = 4,255,764.60 × 1,715,589.20
  4. Step 4: Simplify right side
    2,840,862.80x = 7,301,143,785,502.32
  5. Step 5: Solve for x
    x = 7,301,143,785,502.32/2,840,862.80
  6. Step 6: Final answer
    x = 2,570,044.49

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1.5x scale

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.