Home / 1,964,526.20-2,711,164.74-1,105,142.12

Finding the Fourth Proportional to 1,964,526.20, 2,711,164.74 and 1,105,142.12

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Solution

The fourth proportional to 1,964,526.20, 2,711,164.74 and 1,105,142.12 is: 1,525,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,526.20 : 2,711,164.74 = 1,105,142.12 : x
  2. Step 2: Convert to fraction form
    1,964,526.20/2,711,164.74 = 1,105,142.12/x
  3. Step 3: Cross multiply
    1,964,526.20x = 2,711,164.74 × 1,105,142.12
  4. Step 4: Simplify right side
    1,964,526.20x = 2,996,222,348,432.85
  5. Step 5: Solve for x
    x = 2,996,222,348,432.85/1,964,526.20
  6. Step 6: Final answer
    x = 1,525,162.83

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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.