Home / 1,964,685.72-2,711,239.26-1,105,245.72

Finding the Fourth Proportional to 1,964,685.72, 2,711,239.26 and 1,105,245.72

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Solution

The fourth proportional to 1,964,685.72, 2,711,239.26 and 1,105,245.72 is: 1,525,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,685.72 : 2,711,239.26 = 1,105,245.72 : x
  2. Step 2: Convert to fraction form
    1,964,685.72/2,711,239.26 = 1,105,245.72/x
  3. Step 3: Cross multiply
    1,964,685.72x = 2,711,239.26 × 1,105,245.72
  4. Step 4: Simplify right side
    1,964,685.72x = 2,996,585,588,010.97
  5. Step 5: Solve for x
    x = 2,996,585,588,010.97/1,964,685.72
  6. Step 6: Final answer
    x = 1,525,223.89

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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.