Home / 2,810,118.12-3,878,056.88-1,722,179.49

Finding the Fourth Proportional to 2,810,118.12, 3,878,056.88 and 1,722,179.49

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Solution

The fourth proportional to 2,810,118.12, 3,878,056.88 and 1,722,179.49 is: 2,376,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,118.12 : 3,878,056.88 = 1,722,179.49 : x
  2. Step 2: Convert to fraction form
    2,810,118.12/3,878,056.88 = 1,722,179.49/x
  3. Step 3: Cross multiply
    2,810,118.12x = 3,878,056.88 × 1,722,179.49
  4. Step 4: Simplify right side
    2,810,118.12x = 6,678,710,011,178.49
  5. Step 5: Solve for x
    x = 6,678,710,011,178.49/2,810,118.12
  6. Step 6: Final answer
    x = 2,376,665.22

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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.