Home / 3,421,411.20-5,133,345.60-3,298,531.20

Finding the Fourth Proportional to 3,421,411.20, 5,133,345.60 and 3,298,531.20

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Solution

The fourth proportional to 3,421,411.20, 5,133,345.60 and 3,298,531.20 is: 4,948,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,411.20 : 5,133,345.60 = 3,298,531.20 : x
  2. Step 2: Convert to fraction form
    3,421,411.20/5,133,345.60 = 3,298,531.20/x
  3. Step 3: Cross multiply
    3,421,411.20x = 5,133,345.60 × 3,298,531.20
  4. Step 4: Simplify right side
    3,421,411.20x = 16,932,500,621,982.72
  5. Step 5: Solve for x
    x = 16,932,500,621,982.72/3,421,411.20
  6. Step 6: Final answer
    x = 4,948,981.47

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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.