Home / 2,861,508.23-3,948,880.24-1,572,431.75

Finding the Fourth Proportional to 2,861,508.23, 3,948,880.24 and 1,572,431.75

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Solution

The fourth proportional to 2,861,508.23, 3,948,880.24 and 1,572,431.75 is: 2,169,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,508.23 : 3,948,880.24 = 1,572,431.75 : x
  2. Step 2: Convert to fraction form
    2,861,508.23/3,948,880.24 = 1,572,431.75/x
  3. Step 3: Cross multiply
    2,861,508.23x = 3,948,880.24 × 1,572,431.75
  4. Step 4: Simplify right side
    2,861,508.23x = 6,209,344,666,323.62
  5. Step 5: Solve for x
    x = 6,209,344,666,323.62/2,861,508.23
  6. Step 6: Final answer
    x = 2,169,955.20

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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.