Home / 2,147,275.19-2,963,181.24-1,180,405.73

Finding the Fourth Proportional to 2,147,275.19, 2,963,181.24 and 1,180,405.73

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Solution

The fourth proportional to 2,147,275.19, 2,963,181.24 and 1,180,405.73 is: 1,628,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,275.19 : 2,963,181.24 = 1,180,405.73 : x
  2. Step 2: Convert to fraction form
    2,147,275.19/2,963,181.24 = 1,180,405.73/x
  3. Step 3: Cross multiply
    2,147,275.19x = 2,963,181.24 × 1,180,405.73
  4. Step 4: Simplify right side
    2,147,275.19x = 3,497,756,122,132.46
  5. Step 5: Solve for x
    x = 3,497,756,122,132.46/2,147,275.19
  6. Step 6: Final answer
    x = 1,628,927.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.