Home / 1,661,869.81-2,492,805.40-1,283,343.85

Finding the Fourth Proportional to 1,661,869.81, 2,492,805.40 and 1,283,343.85

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Solution

The fourth proportional to 1,661,869.81, 2,492,805.40 and 1,283,343.85 is: 1,925,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,869.81 : 2,492,805.40 = 1,283,343.85 : x
  2. Step 2: Convert to fraction form
    1,661,869.81/2,492,805.40 = 1,283,343.85/x
  3. Step 3: Cross multiply
    1,661,869.81x = 2,492,805.40 × 1,283,343.85
  4. Step 4: Simplify right side
    1,661,869.81x = 3,199,126,479,244.44
  5. Step 5: Solve for x
    x = 3,199,126,479,244.44/1,661,869.81
  6. Step 6: Final answer
    x = 1,925,016.30

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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.