Home / 3,915,379.39-5,403,260.40-2,196,536.80

Finding the Fourth Proportional to 3,915,379.39, 5,403,260.40 and 2,196,536.80

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Solution

The fourth proportional to 3,915,379.39, 5,403,260.40 and 2,196,536.80 is: 3,031,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,379.39 : 5,403,260.40 = 2,196,536.80 : x
  2. Step 2: Convert to fraction form
    3,915,379.39/5,403,260.40 = 2,196,536.80/x
  3. Step 3: Cross multiply
    3,915,379.39x = 5,403,260.40 × 2,196,536.80
  4. Step 4: Simplify right side
    3,915,379.39x = 11,868,460,281,566.42
  5. Step 5: Solve for x
    x = 11,868,460,281,566.42/3,915,379.39
  6. Step 6: Final answer
    x = 3,031,241.45

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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.