Home / 1,965,730.76-2,949,017.10-1,113,205.35

Finding the Fourth Proportional to 1,965,730.76, 2,949,017.10 and 1,113,205.35

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Solution

The fourth proportional to 1,965,730.76, 2,949,017.10 and 1,113,205.35 is: 1,670,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,730.76 : 2,949,017.10 = 1,113,205.35 : x
  2. Step 2: Convert to fraction form
    1,965,730.76/2,949,017.10 = 1,113,205.35/x
  3. Step 3: Cross multiply
    1,965,730.76x = 2,949,017.10 × 1,113,205.35
  4. Step 4: Simplify right side
    1,965,730.76x = 3,282,861,612,961.49
  5. Step 5: Solve for x
    x = 3,282,861,612,961.49/1,965,730.76
  6. Step 6: Final answer
    x = 1,670,046.42

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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.