Home / 5,188,622.40-7,782,959.52-2,345,405.76

Finding the Fourth Proportional to 5,188,622.40, 7,782,959.52 and 2,345,405.76

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Solution

The fourth proportional to 5,188,622.40, 7,782,959.52 and 2,345,405.76 is: 3,518,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,622.40 : 7,782,959.52 = 2,345,405.76 : x
  2. Step 2: Convert to fraction form
    5,188,622.40/7,782,959.52 = 2,345,405.76/x
  3. Step 3: Cross multiply
    5,188,622.40x = 7,782,959.52 × 2,345,405.76
  4. Step 4: Simplify right side
    5,188,622.40x = 18,254,198,088,054.83
  5. Step 5: Solve for x
    x = 18,254,198,088,054.83/5,188,622.40
  6. Step 6: Final answer
    x = 3,518,120.36

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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.