Home / 1,917,111.90-2,875,667.85-1,632,145.80

Finding the Fourth Proportional to 1,917,111.90, 2,875,667.85 and 1,632,145.80

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Solution

The fourth proportional to 1,917,111.90, 2,875,667.85 and 1,632,145.80 is: 2,448,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,111.90 : 2,875,667.85 = 1,632,145.80 : x
  2. Step 2: Convert to fraction form
    1,917,111.90/2,875,667.85 = 1,632,145.80/x
  3. Step 3: Cross multiply
    1,917,111.90x = 2,875,667.85 × 1,632,145.80
  4. Step 4: Simplify right side
    1,917,111.90x = 4,693,509,203,572.53
  5. Step 5: Solve for x
    x = 4,693,509,203,572.53/1,917,111.90
  6. Step 6: Final answer
    x = 2,448,218.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.