Home / 2,166,531.96-2,989,777.47-1,199,641.44

Finding the Fourth Proportional to 2,166,531.96, 2,989,777.47 and 1,199,641.44

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Solution

The fourth proportional to 2,166,531.96, 2,989,777.47 and 1,199,641.44 is: 1,655,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,531.96 : 2,989,777.47 = 1,199,641.44 : x
  2. Step 2: Convert to fraction form
    2,166,531.96/2,989,777.47 = 1,199,641.44/x
  3. Step 3: Cross multiply
    2,166,531.96x = 2,989,777.47 × 1,199,641.44
  4. Step 4: Simplify right side
    2,166,531.96x = 3,586,660,937,440.57
  5. Step 5: Solve for x
    x = 3,586,660,937,440.57/2,166,531.96
  6. Step 6: Final answer
    x = 1,655,484.90

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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.