Home / 2,165,890.02-2,988,831.30-1,198,951.98

Finding the Fourth Proportional to 2,165,890.02, 2,988,831.30 and 1,198,951.98

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Solution

The fourth proportional to 2,165,890.02, 2,988,831.30 and 1,198,951.98 is: 1,654,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,890.02 : 2,988,831.30 = 1,198,951.98 : x
  2. Step 2: Convert to fraction form
    2,165,890.02/2,988,831.30 = 1,198,951.98/x
  3. Step 3: Cross multiply
    2,165,890.02x = 2,988,831.30 × 1,198,951.98
  4. Step 4: Simplify right side
    2,165,890.02x = 3,583,465,205,020.97
  5. Step 5: Solve for x
    x = 3,583,465,205,020.97/2,165,890.02
  6. Step 6: Final answer
    x = 1,654,500.08

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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.