Home / 2,187,002.25-3,018,058.64-1,220,074.88

Finding the Fourth Proportional to 2,187,002.25, 3,018,058.64 and 1,220,074.88

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Solution

The fourth proportional to 2,187,002.25, 3,018,058.64 and 1,220,074.88 is: 1,683,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,002.25 : 3,018,058.64 = 1,220,074.88 : x
  2. Step 2: Convert to fraction form
    2,187,002.25/3,018,058.64 = 1,220,074.88/x
  3. Step 3: Cross multiply
    2,187,002.25x = 3,018,058.64 × 1,220,074.88
  4. Step 4: Simplify right side
    2,187,002.25x = 3,682,257,520,990.86
  5. Step 5: Solve for x
    x = 3,682,257,520,990.86/2,187,002.25
  6. Step 6: Final answer
    x = 1,683,700.84

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1.5x scale

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.