Home / 2,108,708.12-2,910,232.02-1,520,491.42

Finding the Fourth Proportional to 2,108,708.12, 2,910,232.02 and 1,520,491.42

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Solution

The fourth proportional to 2,108,708.12, 2,910,232.02 and 1,520,491.42 is: 2,098,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,708.12 : 2,910,232.02 = 1,520,491.42 : x
  2. Step 2: Convert to fraction form
    2,108,708.12/2,910,232.02 = 1,520,491.42/x
  3. Step 3: Cross multiply
    2,108,708.12x = 2,910,232.02 × 1,520,491.42
  4. Step 4: Simplify right side
    2,108,708.12x = 4,424,982,816,619.27
  5. Step 5: Solve for x
    x = 4,424,982,816,619.27/2,108,708.12
  6. Step 6: Final answer
    x = 2,098,433.05

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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.