Home / 3,054,815.61-4,215,648.33-1,678,248.48

Finding the Fourth Proportional to 3,054,815.61, 4,215,648.33 and 1,678,248.48

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Solution

The fourth proportional to 3,054,815.61, 4,215,648.33 and 1,678,248.48 is: 2,315,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054,815.61 : 4,215,648.33 = 1,678,248.48 : x
  2. Step 2: Convert to fraction form
    3,054,815.61/4,215,648.33 = 1,678,248.48/x
  3. Step 3: Cross multiply
    3,054,815.61x = 4,215,648.33 × 1,678,248.48
  4. Step 4: Simplify right side
    3,054,815.61x = 7,074,905,402,037.04
  5. Step 5: Solve for x
    x = 7,074,905,402,037.04/3,054,815.61
  6. Step 6: Final answer
    x = 2,315,984.43

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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.