Home / 1,983,196.12-2,974,795.26-1,309,119.88

Finding the Fourth Proportional to 1,983,196.12, 2,974,795.26 and 1,309,119.88

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Solution

The fourth proportional to 1,983,196.12, 2,974,795.26 and 1,309,119.88 is: 1,963,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,196.12 : 2,974,795.26 = 1,309,119.88 : x
  2. Step 2: Convert to fraction form
    1,983,196.12/2,974,795.26 = 1,309,119.88/x
  3. Step 3: Cross multiply
    1,983,196.12x = 2,974,795.26 × 1,309,119.88
  4. Step 4: Simplify right side
    1,983,196.12x = 3,894,363,613,795.77
  5. Step 5: Solve for x
    x = 3,894,363,613,795.77/1,983,196.12
  6. Step 6: Final answer
    x = 1,963,680.53

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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.