Home / 1,549,544.94-2,138,625.81-1,291,011.89

Finding the Fourth Proportional to 1,549,544.94, 2,138,625.81 and 1,291,011.89

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Solution

The fourth proportional to 1,549,544.94, 2,138,625.81 and 1,291,011.89 is: 1,781,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,544.94 : 2,138,625.81 = 1,291,011.89 : x
  2. Step 2: Convert to fraction form
    1,549,544.94/2,138,625.81 = 1,291,011.89/x
  3. Step 3: Cross multiply
    1,549,544.94x = 2,138,625.81 × 1,291,011.89
  4. Step 4: Simplify right side
    1,549,544.94x = 2,760,991,338,277.75
  5. Step 5: Solve for x
    x = 2,760,991,338,277.75/1,549,544.94
  6. Step 6: Final answer
    x = 1,781,807.85

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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.