Home / 5,590,915.32-7,715,377.76-3,143,528.64

Finding the Fourth Proportional to 5,590,915.32, 7,715,377.76 and 3,143,528.64

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Solution

The fourth proportional to 5,590,915.32, 7,715,377.76 and 3,143,528.64 is: 4,338,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590,915.32 : 7,715,377.76 = 3,143,528.64 : x
  2. Step 2: Convert to fraction form
    5,590,915.32/7,715,377.76 = 3,143,528.64/x
  3. Step 3: Cross multiply
    5,590,915.32x = 7,715,377.76 × 3,143,528.64
  4. Step 4: Simplify right side
    5,590,915.32x = 24,253,510,956,979.05
  5. Step 5: Solve for x
    x = 24,253,510,956,979.05/5,590,915.32
  6. Step 6: Final answer
    x = 4,338,021.52

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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.