Home / 3,828,106-5,281,653-2,278,125.12

Finding the Fourth Proportional to 3,828,106, 5,281,653 and 2,278,125.12

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Solution

The fourth proportional to 3,828,106, 5,281,653 and 2,278,125.12 is: 3,143,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,106 : 5,281,653 = 2,278,125.12 : x
  2. Step 2: Convert to fraction form
    3,828,106/5,281,653 = 2,278,125.12/x
  3. Step 3: Cross multiply
    3,828,106x = 5,281,653 × 2,278,125.12
  4. Step 4: Simplify right side
    3,828,106x = 12,032,266,374,423.36
  5. Step 5: Solve for x
    x = 12,032,266,374,423.36/3,828,106
  6. Step 6: Final answer
    x = 3,143,138.24

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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.