Home / 2,990,008.80-4,485,013.20-2,666,527.20

Finding the Fourth Proportional to 2,990,008.80, 4,485,013.20 and 2,666,527.20

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Solution

The fourth proportional to 2,990,008.80, 4,485,013.20 and 2,666,527.20 is: 3,999,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,008.80 : 4,485,013.20 = 2,666,527.20 : x
  2. Step 2: Convert to fraction form
    2,990,008.80/4,485,013.20 = 2,666,527.20/x
  3. Step 3: Cross multiply
    2,990,008.80x = 4,485,013.20 × 2,666,527.20
  4. Step 4: Simplify right side
    2,990,008.80x = 11,959,409,690,159.04
  5. Step 5: Solve for x
    x = 11,959,409,690,159.04/2,990,008.80
  6. Step 6: Final answer
    x = 3,999,790.80

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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.