Home / 2,081,726.61-2,871,903.02-1,393,620.13

Finding the Fourth Proportional to 2,081,726.61, 2,871,903.02 and 1,393,620.13

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Solution

The fourth proportional to 2,081,726.61, 2,871,903.02 and 1,393,620.13 is: 1,922,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,726.61 : 2,871,903.02 = 1,393,620.13 : x
  2. Step 2: Convert to fraction form
    2,081,726.61/2,871,903.02 = 1,393,620.13/x
  3. Step 3: Cross multiply
    2,081,726.61x = 2,871,903.02 × 1,393,620.13
  4. Step 4: Simplify right side
    2,081,726.61x = 4,002,341,860,079.79
  5. Step 5: Solve for x
    x = 4,002,341,860,079.79/2,081,726.61
  6. Step 6: Final answer
    x = 1,922,606.86

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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.