Home / 1,989,282-2,745,209.16-1,083,864

Finding the Fourth Proportional to 1,989,282, 2,745,209.16 and 1,083,864

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Solution

The fourth proportional to 1,989,282, 2,745,209.16 and 1,083,864 is: 1,495,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,282 : 2,745,209.16 = 1,083,864 : x
  2. Step 2: Convert to fraction form
    1,989,282/2,745,209.16 = 1,083,864/x
  3. Step 3: Cross multiply
    1,989,282x = 2,745,209.16 × 1,083,864
  4. Step 4: Simplify right side
    1,989,282x = 2,975,433,380,994.24
  5. Step 5: Solve for x
    x = 2,975,433,380,994.24/1,989,282
  6. Step 6: Final answer
    x = 1,495,732.32

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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.