Home / 1,964,602.31-2,711,146.89-1,105,162.56

Finding the Fourth Proportional to 1,964,602.31, 2,711,146.89 and 1,105,162.56

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Solution

The fourth proportional to 1,964,602.31, 2,711,146.89 and 1,105,162.56 is: 1,525,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,602.31 : 2,711,146.89 = 1,105,162.56 : x
  2. Step 2: Convert to fraction form
    1,964,602.31/2,711,146.89 = 1,105,162.56/x
  3. Step 3: Cross multiply
    1,964,602.31x = 2,711,146.89 × 1,105,162.56
  4. Step 4: Simplify right side
    1,964,602.31x = 2,996,258,037,488.44
  5. Step 5: Solve for x
    x = 2,996,258,037,488.44/1,964,602.31
  6. Step 6: Final answer
    x = 1,525,121.92

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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.