Home / 1,949,490.07-2,924,243.30-1,279,808.80

Finding the Fourth Proportional to 1,949,490.07, 2,924,243.30 and 1,279,808.80

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Solution

The fourth proportional to 1,949,490.07, 2,924,243.30 and 1,279,808.80 is: 1,919,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,490.07 : 2,924,243.30 = 1,279,808.80 : x
  2. Step 2: Convert to fraction form
    1,949,490.07/2,924,243.30 = 1,279,808.80/x
  3. Step 3: Cross multiply
    1,949,490.07x = 2,924,243.30 × 1,279,808.80
  4. Step 4: Simplify right side
    1,949,490.07x = 3,742,472,308,681.04
  5. Step 5: Solve for x
    x = 3,742,472,308,681.04/1,949,490.07
  6. Step 6: Final answer
    x = 1,919,718.58

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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.