Home / 3,138,058.85-4,705,259.36-1,216,725.47

Finding the Fourth Proportional to 3,138,058.85, 4,705,259.36 and 1,216,725.47

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Solution

The fourth proportional to 3,138,058.85, 4,705,259.36 and 1,216,725.47 is: 1,824,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,058.85 : 4,705,259.36 = 1,216,725.47 : x
  2. Step 2: Convert to fraction form
    3,138,058.85/4,705,259.36 = 1,216,725.47/x
  3. Step 3: Cross multiply
    3,138,058.85x = 4,705,259.36 × 1,216,725.47
  4. Step 4: Simplify right side
    3,138,058.85x = 5,725,008,901,146.78
  5. Step 5: Solve for x
    x = 5,725,008,901,146.78/3,138,058.85
  6. Step 6: Final answer
    x = 1,824,379.08

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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.