Home / 2,917,633.53-4,372,768.94-1,478,678.57

Finding the Fourth Proportional to 2,917,633.53, 4,372,768.94 and 1,478,678.57

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Solution

The fourth proportional to 2,917,633.53, 4,372,768.94 and 1,478,678.57 is: 2,216,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,633.53 : 4,372,768.94 = 1,478,678.57 : x
  2. Step 2: Convert to fraction form
    2,917,633.53/4,372,768.94 = 1,478,678.57/x
  3. Step 3: Cross multiply
    2,917,633.53x = 4,372,768.94 × 1,478,678.57
  4. Step 4: Simplify right side
    2,917,633.53x = 6,465,919,701,275.77
  5. Step 5: Solve for x
    x = 6,465,919,701,275.77/2,917,633.53
  6. Step 6: Final answer
    x = 2,216,152.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.