Home / 1,913,233.62-2,640,162.63-1,188,065.73

Finding the Fourth Proportional to 1,913,233.62, 2,640,162.63 and 1,188,065.73

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Solution

The fourth proportional to 1,913,233.62, 2,640,162.63 and 1,188,065.73 is: 1,639,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,233.62 : 2,640,162.63 = 1,188,065.73 : x
  2. Step 2: Convert to fraction form
    1,913,233.62/2,640,162.63 = 1,188,065.73/x
  3. Step 3: Cross multiply
    1,913,233.62x = 2,640,162.63 × 1,188,065.73
  4. Step 4: Simplify right side
    1,913,233.62x = 3,136,686,742,329.67
  5. Step 5: Solve for x
    x = 3,136,686,742,329.67/1,913,233.62
  6. Step 6: Final answer
    x = 1,639,468.76

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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.