Home / 3,045,505.23-4,202,797.21-1,687,378.23

Finding the Fourth Proportional to 3,045,505.23, 4,202,797.21 and 1,687,378.23

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Solution

The fourth proportional to 3,045,505.23, 4,202,797.21 and 1,687,378.23 is: 2,328,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045,505.23 : 4,202,797.21 = 1,687,378.23 : x
  2. Step 2: Convert to fraction form
    3,045,505.23/4,202,797.21 = 1,687,378.23/x
  3. Step 3: Cross multiply
    3,045,505.23x = 4,202,797.21 × 1,687,378.23
  4. Step 4: Simplify right side
    3,045,505.23x = 7,091,708,513,040.29
  5. Step 5: Solve for x
    x = 7,091,708,513,040.29/3,045,505.23
  6. Step 6: Final answer
    x = 2,328,581.95

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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.