Home / 1,820,123.60-2,729,926.20-622,101.20

Finding the Fourth Proportional to 1,820,123.60, 2,729,926.20 and 622,101.20

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Solution

The fourth proportional to 1,820,123.60, 2,729,926.20 and 622,101.20 is: 933,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,123.60 : 2,729,926.20 = 622,101.20 : x
  2. Step 2: Convert to fraction form
    1,820,123.60/2,729,926.20 = 622,101.20/x
  3. Step 3: Cross multiply
    1,820,123.60x = 2,729,926.20 × 622,101.20
  4. Step 4: Simplify right side
    1,820,123.60x = 1,698,290,364,931.44
  5. Step 5: Solve for x
    x = 1,698,290,364,931.44/1,820,123.60
  6. Step 6: Final answer
    x = 933,063.21

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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.