Home / 1,646,103.57-2,271,711.17-920,908.04

Finding the Fourth Proportional to 1,646,103.57, 2,271,711.17 and 920,908.04

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Solution

The fourth proportional to 1,646,103.57, 2,271,711.17 and 920,908.04 is: 1,270,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,103.57 : 2,271,711.17 = 920,908.04 : x
  2. Step 2: Convert to fraction form
    1,646,103.57/2,271,711.17 = 920,908.04/x
  3. Step 3: Cross multiply
    1,646,103.57x = 2,271,711.17 × 920,908.04
  4. Step 4: Simplify right side
    1,646,103.57x = 2,092,037,066,774.41
  5. Step 5: Solve for x
    x = 2,092,037,066,774.41/1,646,103.57
  6. Step 6: Final answer
    x = 1,270,902.46

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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.