Home / 1,911,169.76-2,637,380.15-1,039,974.73

Finding the Fourth Proportional to 1,911,169.76, 2,637,380.15 and 1,039,974.73

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Solution

The fourth proportional to 1,911,169.76, 2,637,380.15 and 1,039,974.73 is: 1,435,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,169.76 : 2,637,380.15 = 1,039,974.73 : x
  2. Step 2: Convert to fraction form
    1,911,169.76/2,637,380.15 = 1,039,974.73/x
  3. Step 3: Cross multiply
    1,911,169.76x = 2,637,380.15 × 1,039,974.73
  4. Step 4: Simplify right side
    1,911,169.76x = 2,742,808,701,510.19
  5. Step 5: Solve for x
    x = 2,742,808,701,510.19/1,911,169.76
  6. Step 6: Final answer
    x = 1,435,146.56

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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.