Home / 2,172,813.80-3,259,220.70-974,775.20

Finding the Fourth Proportional to 2,172,813.80, 3,259,220.70 and 974,775.20

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Solution

The fourth proportional to 2,172,813.80, 3,259,220.70 and 974,775.20 is: 1,462,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,813.80 : 3,259,220.70 = 974,775.20 : x
  2. Step 2: Convert to fraction form
    2,172,813.80/3,259,220.70 = 974,775.20/x
  3. Step 3: Cross multiply
    2,172,813.80x = 3,259,220.70 × 974,775.20
  4. Step 4: Simplify right side
    2,172,813.80x = 3,177,007,509,686.64
  5. Step 5: Solve for x
    x = 3,177,007,509,686.64/2,172,813.80
  6. Step 6: Final answer
    x = 1,462,162.80

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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.