Home / 1,975,142.44-2,962,247.10-909,519.40

Finding the Fourth Proportional to 1,975,142.44, 2,962,247.10 and 909,519.40

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Solution

The fourth proportional to 1,975,142.44, 2,962,247.10 and 909,519.40 is: 1,364,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,142.44 : 2,962,247.10 = 909,519.40 : x
  2. Step 2: Convert to fraction form
    1,975,142.44/2,962,247.10 = 909,519.40/x
  3. Step 3: Cross multiply
    1,975,142.44x = 2,962,247.10 × 909,519.40
  4. Step 4: Simplify right side
    1,975,142.44x = 2,694,221,205,043.74
  5. Step 5: Solve for x
    x = 2,694,221,205,043.74/1,975,142.44
  6. Step 6: Final answer
    x = 1,364,064.26

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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.