Home / 2,976,777.20-4,465,165.80-1,969,007.60

Finding the Fourth Proportional to 2,976,777.20, 4,465,165.80 and 1,969,007.60

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Solution

The fourth proportional to 2,976,777.20, 4,465,165.80 and 1,969,007.60 is: 2,953,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,777.20 : 4,465,165.80 = 1,969,007.60 : x
  2. Step 2: Convert to fraction form
    2,976,777.20/4,465,165.80 = 1,969,007.60/x
  3. Step 3: Cross multiply
    2,976,777.20x = 4,465,165.80 × 1,969,007.60
  4. Step 4: Simplify right side
    2,976,777.20x = 8,791,945,395,460.08
  5. Step 5: Solve for x
    x = 8,791,945,395,460.08/2,976,777.20
  6. Step 6: Final answer
    x = 2,953,511.40

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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.