Home / 1,780,343.81-2,662,886.13-1,651,116.71

Finding the Fourth Proportional to 1,780,343.81, 2,662,886.13 and 1,651,116.71

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Solution

The fourth proportional to 1,780,343.81, 2,662,886.13 and 1,651,116.71 is: 2,469,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,343.81 : 2,662,886.13 = 1,651,116.71 : x
  2. Step 2: Convert to fraction form
    1,780,343.81/2,662,886.13 = 1,651,116.71/x
  3. Step 3: Cross multiply
    1,780,343.81x = 2,662,886.13 × 1,651,116.71
  4. Step 4: Simplify right side
    1,780,343.81x = 4,396,735,786,070.23
  5. Step 5: Solve for x
    x = 4,396,735,786,070.23/1,780,343.81
  6. Step 6: Final answer
    x = 2,469,599.28

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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.