Home / 1,911,171.19-2,637,382.13-1,039,976.17

Finding the Fourth Proportional to 1,911,171.19, 2,637,382.13 and 1,039,976.17

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Solution

The fourth proportional to 1,911,171.19, 2,637,382.13 and 1,039,976.17 is: 1,435,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,171.19 : 2,637,382.13 = 1,039,976.17 : x
  2. Step 2: Convert to fraction form
    1,911,171.19/2,637,382.13 = 1,039,976.17/x
  3. Step 3: Cross multiply
    1,911,171.19x = 2,637,382.13 × 1,039,976.17
  4. Step 4: Simplify right side
    1,911,171.19x = 2,742,814,566,383.84
  5. Step 5: Solve for x
    x = 2,742,814,566,383.84/1,911,171.19
  6. Step 6: Final answer
    x = 1,435,148.55

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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.