Home / 1,980,205.28-2,732,676.36-1,074,787.28

Finding the Fourth Proportional to 1,980,205.28, 2,732,676.36 and 1,074,787.28

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Solution

The fourth proportional to 1,980,205.28, 2,732,676.36 and 1,074,787.28 is: 1,483,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,205.28 : 2,732,676.36 = 1,074,787.28 : x
  2. Step 2: Convert to fraction form
    1,980,205.28/2,732,676.36 = 1,074,787.28/x
  3. Step 3: Cross multiply
    1,980,205.28x = 2,732,676.36 × 1,074,787.28
  4. Step 4: Simplify right side
    1,980,205.28x = 2,937,045,792,084.70
  5. Step 5: Solve for x
    x = 2,937,045,792,084.70/1,980,205.28
  6. Step 6: Final answer
    x = 1,483,202.69

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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.