Home / 3,155,812.40-4,733,718.60-2,148,042.80

Finding the Fourth Proportional to 3,155,812.40, 4,733,718.60 and 2,148,042.80

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Solution

The fourth proportional to 3,155,812.40, 4,733,718.60 and 2,148,042.80 is: 3,222,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,812.40 : 4,733,718.60 = 2,148,042.80 : x
  2. Step 2: Convert to fraction form
    3,155,812.40/4,733,718.60 = 2,148,042.80/x
  3. Step 3: Cross multiply
    3,155,812.40x = 4,733,718.60 × 2,148,042.80
  4. Step 4: Simplify right side
    3,155,812.40x = 10,168,230,155,956.08
  5. Step 5: Solve for x
    x = 10,168,230,155,956.08/3,155,812.40
  6. Step 6: Final answer
    x = 3,222,064.20

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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.