Home / 5,640,323.60-8,448,043.80-3,392,541.20

Finding the Fourth Proportional to 5,640,323.60, 8,448,043.80 and 3,392,541.20

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Solution

The fourth proportional to 5,640,323.60, 8,448,043.80 and 3,392,541.20 is: 5,081,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,323.60 : 8,448,043.80 = 3,392,541.20 : x
  2. Step 2: Convert to fraction form
    5,640,323.60/8,448,043.80 = 3,392,541.20/x
  3. Step 3: Cross multiply
    5,640,323.60x = 8,448,043.80 × 3,392,541.20
  4. Step 4: Simplify right side
    5,640,323.60x = 28,660,336,650,904.56
  5. Step 5: Solve for x
    x = 28,660,336,650,904.56/5,640,323.60
  6. Step 6: Final answer
    x = 5,081,328.43

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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.