Home / 1,968,762.84-2,949,819.90-1,209,020.92

Finding the Fourth Proportional to 1,968,762.84, 2,949,819.90 and 1,209,020.92

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Solution

The fourth proportional to 1,968,762.84, 2,949,819.90 and 1,209,020.92 is: 1,811,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,762.84 : 2,949,819.90 = 1,209,020.92 : x
  2. Step 2: Convert to fraction form
    1,968,762.84/2,949,819.90 = 1,209,020.92/x
  3. Step 3: Cross multiply
    1,968,762.84x = 2,949,819.90 × 1,209,020.92
  4. Step 4: Simplify right side
    1,968,762.84x = 3,566,393,969,332.31
  5. Step 5: Solve for x
    x = 3,566,393,969,332.31/1,968,762.84
  6. Step 6: Final answer
    x = 1,811,489.88

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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.