Home / 4,078,278.56-5,627,931.72-2,217,653.36

Finding the Fourth Proportional to 4,078,278.56, 5,627,931.72 and 2,217,653.36

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Solution

The fourth proportional to 4,078,278.56, 5,627,931.72 and 2,217,653.36 is: 3,060,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,278.56 : 5,627,931.72 = 2,217,653.36 : x
  2. Step 2: Convert to fraction form
    4,078,278.56/5,627,931.72 = 2,217,653.36/x
  3. Step 3: Cross multiply
    4,078,278.56x = 5,627,931.72 × 2,217,653.36
  4. Step 4: Simplify right side
    4,078,278.56x = 12,480,801,688,708.58
  5. Step 5: Solve for x
    x = 12,480,801,688,708.58/4,078,278.56
  6. Step 6: Final answer
    x = 3,060,311.23

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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.