Home / 1,827,106.46-2,740,644.56-1,428,082.64

Finding the Fourth Proportional to 1,827,106.46, 2,740,644.56 and 1,428,082.64

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Solution

The fourth proportional to 1,827,106.46, 2,740,644.56 and 1,428,082.64 is: 2,142,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,106.46 : 2,740,644.56 = 1,428,082.64 : x
  2. Step 2: Convert to fraction form
    1,827,106.46/2,740,644.56 = 1,428,082.64/x
  3. Step 3: Cross multiply
    1,827,106.46x = 2,740,644.56 × 1,428,082.64
  4. Step 4: Simplify right side
    1,827,106.46x = 3,913,866,897,702.80
  5. Step 5: Solve for x
    x = 3,913,866,897,702.80/1,827,106.46
  6. Step 6: Final answer
    x = 2,142,112.13

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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.