Home / 3,122,664.56-4,308,787.28-1,816,205.84

Finding the Fourth Proportional to 3,122,664.56, 4,308,787.28 and 1,816,205.84

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Solution

The fourth proportional to 3,122,664.56, 4,308,787.28 and 1,816,205.84 is: 2,506,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,664.56 : 4,308,787.28 = 1,816,205.84 : x
  2. Step 2: Convert to fraction form
    3,122,664.56/4,308,787.28 = 1,816,205.84/x
  3. Step 3: Cross multiply
    3,122,664.56x = 4,308,787.28 × 1,816,205.84
  4. Step 4: Simplify right side
    3,122,664.56x = 7,825,644,621,253.72
  5. Step 5: Solve for x
    x = 7,825,644,621,253.72/3,122,664.56
  6. Step 6: Final answer
    x = 2,506,079.17

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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.