Home / 1,681,313.10-2,521,969.65-1,551,405.30

Finding the Fourth Proportional to 1,681,313.10, 2,521,969.65 and 1,551,405.30

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Solution

The fourth proportional to 1,681,313.10, 2,521,969.65 and 1,551,405.30 is: 2,327,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,313.10 : 2,521,969.65 = 1,551,405.30 : x
  2. Step 2: Convert to fraction form
    1,681,313.10/2,521,969.65 = 1,551,405.30/x
  3. Step 3: Cross multiply
    1,681,313.10x = 2,521,969.65 × 1,551,405.30
  4. Step 4: Simplify right side
    1,681,313.10x = 3,912,597,081,449.15
  5. Step 5: Solve for x
    x = 3,912,597,081,449.15/1,681,313.10
  6. Step 6: Final answer
    x = 2,327,107.95

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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.