Home / 2,078,889.15-3,118,445.51-659,055.95

Finding the Fourth Proportional to 2,078,889.15, 3,118,445.51 and 659,055.95

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Solution

The fourth proportional to 2,078,889.15, 3,118,445.51 and 659,055.95 is: 988,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,889.15 : 3,118,445.51 = 659,055.95 : x
  2. Step 2: Convert to fraction form
    2,078,889.15/3,118,445.51 = 659,055.95/x
  3. Step 3: Cross multiply
    2,078,889.15x = 3,118,445.51 × 659,055.95
  4. Step 4: Simplify right side
    2,078,889.15x = 2,055,230,068,116.28
  5. Step 5: Solve for x
    x = 2,055,230,068,116.28/2,078,889.15
  6. Step 6: Final answer
    x = 988,619.36

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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.