Home / 2,819,549.24-3,890,981.88-1,530,389.90

Finding the Fourth Proportional to 2,819,549.24, 3,890,981.88 and 1,530,389.90

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Solution

The fourth proportional to 2,819,549.24, 3,890,981.88 and 1,530,389.90 is: 2,111,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,549.24 : 3,890,981.88 = 1,530,389.90 : x
  2. Step 2: Convert to fraction form
    2,819,549.24/3,890,981.88 = 1,530,389.90/x
  3. Step 3: Cross multiply
    2,819,549.24x = 3,890,981.88 × 1,530,389.90
  4. Step 4: Simplify right side
    2,819,549.24x = 5,954,719,370,235.01
  5. Step 5: Solve for x
    x = 5,954,719,370,235.01/2,819,549.24
  6. Step 6: Final answer
    x = 2,111,940.19

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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.