Home / 1,964,663.20-2,711,392.68-1,105,172.20

Finding the Fourth Proportional to 1,964,663.20, 2,711,392.68 and 1,105,172.20

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Solution

The fourth proportional to 1,964,663.20, 2,711,392.68 and 1,105,172.20 is: 1,525,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,663.20 : 2,711,392.68 = 1,105,172.20 : x
  2. Step 2: Convert to fraction form
    1,964,663.20/2,711,392.68 = 1,105,172.20/x
  3. Step 3: Cross multiply
    1,964,663.20x = 2,711,392.68 × 1,105,172.20
  4. Step 4: Simplify right side
    1,964,663.20x = 2,996,555,813,219.50
  5. Step 5: Solve for x
    x = 2,996,555,813,219.50/1,964,663.20
  6. Step 6: Final answer
    x = 1,525,226.21

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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.