Home / 3,434,071.05-4,739,036.36-2,145,658.73

Finding the Fourth Proportional to 3,434,071.05, 4,739,036.36 and 2,145,658.73

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Solution

The fourth proportional to 3,434,071.05, 4,739,036.36 and 2,145,658.73 is: 2,961,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434,071.05 : 4,739,036.36 = 2,145,658.73 : x
  2. Step 2: Convert to fraction form
    3,434,071.05/4,739,036.36 = 2,145,658.73/x
  3. Step 3: Cross multiply
    3,434,071.05x = 4,739,036.36 × 2,145,658.73
  4. Step 4: Simplify right side
    3,434,071.05x = 10,168,354,703,197.95
  5. Step 5: Solve for x
    x = 10,168,354,703,197.95/3,434,071.05
  6. Step 6: Final answer
    x = 2,961,020.48

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Double scale
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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.