Home / 2,166,290.10-2,989,573.77-1,199,420.46

Finding the Fourth Proportional to 2,166,290.10, 2,989,573.77 and 1,199,420.46

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Solution

The fourth proportional to 2,166,290.10, 2,989,573.77 and 1,199,420.46 is: 1,655,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,290.10 : 2,989,573.77 = 1,199,420.46 : x
  2. Step 2: Convert to fraction form
    2,166,290.10/2,989,573.77 = 1,199,420.46/x
  3. Step 3: Cross multiply
    2,166,290.10x = 2,989,573.77 × 1,199,420.46
  4. Step 4: Simplify right side
    2,166,290.10x = 3,585,755,946,417.33
  5. Step 5: Solve for x
    x = 3,585,755,946,417.33/2,166,290.10
  6. Step 6: Final answer
    x = 1,655,251.97

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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.