Home / 5,478,645.93-8,215,956.85-1,883,392.89

Finding the Fourth Proportional to 5,478,645.93, 8,215,956.85 and 1,883,392.89

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Solution

The fourth proportional to 5,478,645.93, 8,215,956.85 and 1,883,392.89 is: 2,824,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,645.93 : 8,215,956.85 = 1,883,392.89 : x
  2. Step 2: Convert to fraction form
    5,478,645.93/8,215,956.85 = 1,883,392.89/x
  3. Step 3: Cross multiply
    5,478,645.93x = 8,215,956.85 × 1,883,392.89
  4. Step 4: Simplify right side
    5,478,645.93x = 15,473,874,715,836.79
  5. Step 5: Solve for x
    x = 15,473,874,715,836.79/5,478,645.93
  6. Step 6: Final answer
    x = 2,824,397.65

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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.