Home / 1,829,047.12-2,524,960.20-1,218,216.40

Finding the Fourth Proportional to 1,829,047.12, 2,524,960.20 and 1,218,216.40

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Solution

The fourth proportional to 1,829,047.12, 2,524,960.20 and 1,218,216.40 is: 1,681,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,047.12 : 2,524,960.20 = 1,218,216.40 : x
  2. Step 2: Convert to fraction form
    1,829,047.12/2,524,960.20 = 1,218,216.40/x
  3. Step 3: Cross multiply
    1,829,047.12x = 2,524,960.20 × 1,218,216.40
  4. Step 4: Simplify right side
    1,829,047.12x = 3,075,947,924,987.28
  5. Step 5: Solve for x
    x = 3,075,947,924,987.28/1,829,047.12
  6. Step 6: Final answer
    x = 1,681,721.53

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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.