Home / 1,512,086.80-2,262,881.40-1,386,115.60

Finding the Fourth Proportional to 1,512,086.80, 2,262,881.40 and 1,386,115.60

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Solution

The fourth proportional to 1,512,086.80, 2,262,881.40 and 1,386,115.60 is: 2,074,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,086.80 : 2,262,881.40 = 1,386,115.60 : x
  2. Step 2: Convert to fraction form
    1,512,086.80/2,262,881.40 = 1,386,115.60/x
  3. Step 3: Cross multiply
    1,512,086.80x = 2,262,881.40 × 1,386,115.60
  4. Step 4: Simplify right side
    1,512,086.80x = 3,136,615,209,489.84
  5. Step 5: Solve for x
    x = 3,136,615,209,489.84/1,512,086.80
  6. Step 6: Final answer
    x = 2,074,361.87

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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.