Home / 1,820,155.40-2,731,982.70-922,610.60

Finding the Fourth Proportional to 1,820,155.40, 2,731,982.70 and 922,610.60

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Solution

The fourth proportional to 1,820,155.40, 2,731,982.70 and 922,610.60 is: 1,384,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,155.40 : 2,731,982.70 = 922,610.60 : x
  2. Step 2: Convert to fraction form
    1,820,155.40/2,731,982.70 = 922,610.60/x
  3. Step 3: Cross multiply
    1,820,155.40x = 2,731,982.70 × 922,610.60
  4. Step 4: Simplify right side
    1,820,155.40x = 2,520,556,198,036.62
  5. Step 5: Solve for x
    x = 2,520,556,198,036.62/1,820,155.40
  6. Step 6: Final answer
    x = 1,384,802.75

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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.