Home / 3,280,516.70-4,920,775.05-3,191,943.20

Finding the Fourth Proportional to 3,280,516.70, 4,920,775.05 and 3,191,943.20

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Solution

The fourth proportional to 3,280,516.70, 4,920,775.05 and 3,191,943.20 is: 4,787,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,516.70 : 4,920,775.05 = 3,191,943.20 : x
  2. Step 2: Convert to fraction form
    3,280,516.70/4,920,775.05 = 3,191,943.20/x
  3. Step 3: Cross multiply
    3,280,516.70x = 4,920,775.05 × 3,191,943.20
  4. Step 4: Simplify right side
    3,280,516.70x = 15,706,834,459,577.16
  5. Step 5: Solve for x
    x = 15,706,834,459,577.16/3,280,516.70
  6. Step 6: Final answer
    x = 4,787,914.80

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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.