Home / 2,109,797.75-2,911,460.05-1,238,617.95

Finding the Fourth Proportional to 2,109,797.75, 2,911,460.05 and 1,238,617.95

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Solution

The fourth proportional to 2,109,797.75, 2,911,460.05 and 1,238,617.95 is: 1,709,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,797.75 : 2,911,460.05 = 1,238,617.95 : x
  2. Step 2: Convert to fraction form
    2,109,797.75/2,911,460.05 = 1,238,617.95/x
  3. Step 3: Cross multiply
    2,109,797.75x = 2,911,460.05 × 1,238,617.95
  4. Step 4: Simplify right side
    2,109,797.75x = 3,606,186,669,268.20
  5. Step 5: Solve for x
    x = 3,606,186,669,268.20/2,109,797.75
  6. Step 6: Final answer
    x = 1,709,257.04

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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.