Home / 2,166,302.86-2,989,591.36-1,199,433.16

Finding the Fourth Proportional to 2,166,302.86, 2,989,591.36 and 1,199,433.16

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Solution

The fourth proportional to 2,166,302.86, 2,989,591.36 and 1,199,433.16 is: 1,655,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,302.86 : 2,989,591.36 = 1,199,433.16 : x
  2. Step 2: Convert to fraction form
    2,166,302.86/2,989,591.36 = 1,199,433.16/x
  3. Step 3: Cross multiply
    2,166,302.86x = 2,989,591.36 × 1,199,433.16
  4. Step 4: Simplify right side
    2,166,302.86x = 3,585,815,012,033.50
  5. Step 5: Solve for x
    x = 3,585,815,012,033.50/2,166,302.86
  6. Step 6: Final answer
    x = 1,655,269.48

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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.