Home / 3,776,897.42-5,211,955.52-2,145,299.74

Finding the Fourth Proportional to 3,776,897.42, 5,211,955.52 and 2,145,299.74

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Solution

The fourth proportional to 3,776,897.42, 5,211,955.52 and 2,145,299.74 is: 2,960,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,897.42 : 5,211,955.52 = 2,145,299.74 : x
  2. Step 2: Convert to fraction form
    3,776,897.42/5,211,955.52 = 2,145,299.74/x
  3. Step 3: Cross multiply
    3,776,897.42x = 5,211,955.52 × 2,145,299.74
  4. Step 4: Simplify right side
    3,776,897.42x = 11,181,206,821,947.56
  5. Step 5: Solve for x
    x = 11,181,206,821,947.56/3,776,897.42
  6. Step 6: Final answer
    x = 2,960,421.10

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Double scale
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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.