Home / 1,820,125.10-2,729,928.45-622,102.70

Finding the Fourth Proportional to 1,820,125.10, 2,729,928.45 and 622,102.70

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Solution

The fourth proportional to 1,820,125.10, 2,729,928.45 and 622,102.70 is: 933,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,125.10 : 2,729,928.45 = 622,102.70 : x
  2. Step 2: Convert to fraction form
    1,820,125.10/2,729,928.45 = 622,102.70/x
  3. Step 3: Cross multiply
    1,820,125.10x = 2,729,928.45 × 622,102.70
  4. Step 4: Simplify right side
    1,820,125.10x = 1,698,295,859,551.82
  5. Step 5: Solve for x
    x = 1,698,295,859,551.82/1,820,125.10
  6. Step 6: Final answer
    x = 933,065.46

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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.