Home / 2,166,613.97-2,989,890.48-1,199,723.50

Finding the Fourth Proportional to 2,166,613.97, 2,989,890.48 and 1,199,723.50

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Solution

The fourth proportional to 2,166,613.97, 2,989,890.48 and 1,199,723.50 is: 1,655,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,613.97 : 2,989,890.48 = 1,199,723.50 : x
  2. Step 2: Convert to fraction form
    2,166,613.97/2,989,890.48 = 1,199,723.50/x
  3. Step 3: Cross multiply
    2,166,613.97x = 2,989,890.48 × 1,199,723.50
  4. Step 4: Simplify right side
    2,166,613.97x = 3,587,041,872,770.16
  5. Step 5: Solve for x
    x = 3,587,041,872,770.16/2,166,613.97
  6. Step 6: Final answer
    x = 1,655,598.05

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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.