Home / 2,019,831.80-3,029,747.70-1,878,114.20

Finding the Fourth Proportional to 2,019,831.80, 3,029,747.70 and 1,878,114.20

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Solution

The fourth proportional to 2,019,831.80, 3,029,747.70 and 1,878,114.20 is: 2,817,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,831.80 : 3,029,747.70 = 1,878,114.20 : x
  2. Step 2: Convert to fraction form
    2,019,831.80/3,029,747.70 = 1,878,114.20/x
  3. Step 3: Cross multiply
    2,019,831.80x = 3,029,747.70 × 1,878,114.20
  4. Step 4: Simplify right side
    2,019,831.80x = 5,690,212,177,787.34
  5. Step 5: Solve for x
    x = 5,690,212,177,787.34/2,019,831.80
  6. Step 6: Final answer
    x = 2,817,171.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.