Home / 3,348,679.84-4,621,146.06-1,820,787.28

Finding the Fourth Proportional to 3,348,679.84, 4,621,146.06 and 1,820,787.28

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Solution

The fourth proportional to 3,348,679.84, 4,621,146.06 and 1,820,787.28 is: 2,512,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348,679.84 : 4,621,146.06 = 1,820,787.28 : x
  2. Step 2: Convert to fraction form
    3,348,679.84/4,621,146.06 = 1,820,787.28/x
  3. Step 3: Cross multiply
    3,348,679.84x = 4,621,146.06 × 1,820,787.28
  4. Step 4: Simplify right side
    3,348,679.84x = 8,414,123,965,070.12
  5. Step 5: Solve for x
    x = 8,414,123,965,070.12/3,348,679.84
  6. Step 6: Final answer
    x = 2,512,668.98

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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.