Home / 2,070,824.40-2,857,731.84-1,165,406.40

Finding the Fourth Proportional to 2,070,824.40, 2,857,731.84 and 1,165,406.40

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Solution

The fourth proportional to 2,070,824.40, 2,857,731.84 and 1,165,406.40 is: 1,608,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,824.40 : 2,857,731.84 = 1,165,406.40 : x
  2. Step 2: Convert to fraction form
    2,070,824.40/2,857,731.84 = 1,165,406.40/x
  3. Step 3: Cross multiply
    2,070,824.40x = 2,857,731.84 × 1,165,406.40
  4. Step 4: Simplify right side
    2,070,824.40x = 3,330,418,975,819.78
  5. Step 5: Solve for x
    x = 3,330,418,975,819.78/2,070,824.40
  6. Step 6: Final answer
    x = 1,608,257.55

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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.