Home / 1,912,696.55-2,639,320.52-1,085,506.68

Finding the Fourth Proportional to 1,912,696.55, 2,639,320.52 and 1,085,506.68

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Solution

The fourth proportional to 1,912,696.55, 2,639,320.52 and 1,085,506.68 is: 1,497,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,696.55 : 2,639,320.52 = 1,085,506.68 : x
  2. Step 2: Convert to fraction form
    1,912,696.55/2,639,320.52 = 1,085,506.68/x
  3. Step 3: Cross multiply
    1,912,696.55x = 2,639,320.52 × 1,085,506.68
  4. Step 4: Simplify right side
    1,912,696.55x = 2,865,000,055,121.07
  5. Step 5: Solve for x
    x = 2,865,000,055,121.07/1,912,696.55
  6. Step 6: Final answer
    x = 1,497,885.30

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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.