Home / 2,147,105-2,963,011.04-1,229,348.21

Finding the Fourth Proportional to 2,147,105, 2,963,011.04 and 1,229,348.21

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Solution

The fourth proportional to 2,147,105, 2,963,011.04 and 1,229,348.21 is: 1,696,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,105 : 2,963,011.04 = 1,229,348.21 : x
  2. Step 2: Convert to fraction form
    2,147,105/2,963,011.04 = 1,229,348.21/x
  3. Step 3: Cross multiply
    2,147,105x = 2,963,011.04 × 1,229,348.21
  4. Step 4: Simplify right side
    2,147,105x = 3,642,572,318,234.24
  5. Step 5: Solve for x
    x = 3,642,572,318,234.24/2,147,105
  6. Step 6: Final answer
    x = 1,696,504.05

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Double scale
Find fourth proportional to 2,147,106, 2,963,012.42 and 1,229,349.21
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1.5x scale

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.