Home / 3,280,815.84-4,921,225.98-1,121,856.84

Finding the Fourth Proportional to 3,280,815.84, 4,921,225.98 and 1,121,856.84

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Solution

The fourth proportional to 3,280,815.84, 4,921,225.98 and 1,121,856.84 is: 1,682,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,815.84 : 4,921,225.98 = 1,121,856.84 : x
  2. Step 2: Convert to fraction form
    3,280,815.84/4,921,225.98 = 1,121,856.84/x
  3. Step 3: Cross multiply
    3,280,815.84x = 4,921,225.98 × 1,121,856.84
  4. Step 4: Simplify right side
    3,280,815.84x = 5,520,911,026,848.70
  5. Step 5: Solve for x
    x = 5,520,911,026,848.70/3,280,815.84
  6. Step 6: Final answer
    x = 1,682,786.02

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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.