Home / 2,389,471.80-3,578,302.80-1,586,405.40

Finding the Fourth Proportional to 2,389,471.80, 3,578,302.80 and 1,586,405.40

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Solution

The fourth proportional to 2,389,471.80, 3,578,302.80 and 1,586,405.40 is: 2,375,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,471.80 : 3,578,302.80 = 1,586,405.40 : x
  2. Step 2: Convert to fraction form
    2,389,471.80/3,578,302.80 = 1,586,405.40/x
  3. Step 3: Cross multiply
    2,389,471.80x = 3,578,302.80 × 1,586,405.40
  4. Step 4: Simplify right side
    2,389,471.80x = 5,676,638,884,755.12
  5. Step 5: Solve for x
    x = 5,676,638,884,755.12/2,389,471.80
  6. Step 6: Final answer
    x = 2,375,687.75

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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.