Home / 4,478,787.55-6,717,074.06-1,919,712.28

Finding the Fourth Proportional to 4,478,787.55, 6,717,074.06 and 1,919,712.28

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Solution

The fourth proportional to 4,478,787.55, 6,717,074.06 and 1,919,712.28 is: 2,879,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478,787.55 : 6,717,074.06 = 1,919,712.28 : x
  2. Step 2: Convert to fraction form
    4,478,787.55/6,717,074.06 = 1,919,712.28/x
  3. Step 3: Cross multiply
    4,478,787.55x = 6,717,074.06 × 1,919,712.28
  4. Step 4: Simplify right side
    4,478,787.55x = 12,894,849,561,048.70
  5. Step 5: Solve for x
    x = 12,894,849,561,048.70/4,478,787.55
  6. Step 6: Final answer
    x = 2,879,093.82

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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.