Home / 2,166,566.27-2,989,824.83-1,199,675.80

Finding the Fourth Proportional to 2,166,566.27, 2,989,824.83 and 1,199,675.80

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Solution

The fourth proportional to 2,166,566.27, 2,989,824.83 and 1,199,675.80 is: 1,655,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,566.27 : 2,989,824.83 = 1,199,675.80 : x
  2. Step 2: Convert to fraction form
    2,166,566.27/2,989,824.83 = 1,199,675.80/x
  3. Step 3: Cross multiply
    2,166,566.27x = 2,989,824.83 × 1,199,675.80
  4. Step 4: Simplify right side
    2,166,566.27x = 3,586,820,473,842.61
  5. Step 5: Solve for x
    x = 3,586,820,473,842.61/2,166,566.27
  6. Step 6: Final answer
    x = 1,655,532.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.