Home / 2,261,332.35-3,120,758.09-1,281,461.18

Finding the Fourth Proportional to 2,261,332.35, 3,120,758.09 and 1,281,461.18

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Solution

The fourth proportional to 2,261,332.35, 3,120,758.09 and 1,281,461.18 is: 1,768,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,332.35 : 3,120,758.09 = 1,281,461.18 : x
  2. Step 2: Convert to fraction form
    2,261,332.35/3,120,758.09 = 1,281,461.18/x
  3. Step 3: Cross multiply
    2,261,332.35x = 3,120,758.09 × 1,281,461.18
  4. Step 4: Simplify right side
    2,261,332.35x = 3,999,130,322,494.85
  5. Step 5: Solve for x
    x = 3,999,130,322,494.85/2,261,332.35
  6. Step 6: Final answer
    x = 1,768,484.11

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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.