Home / 3,911,481.81-5,398,398.29-2,169,536.31

Finding the Fourth Proportional to 3,911,481.81, 5,398,398.29 and 2,169,536.31

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Solution

The fourth proportional to 3,911,481.81, 5,398,398.29 and 2,169,536.31 is: 2,994,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,481.81 : 5,398,398.29 = 2,169,536.31 : x
  2. Step 2: Convert to fraction form
    3,911,481.81/5,398,398.29 = 2,169,536.31/x
  3. Step 3: Cross multiply
    3,911,481.81x = 5,398,398.29 × 2,169,536.31
  4. Step 4: Simplify right side
    3,911,481.81x = 11,712,021,111,420.75
  5. Step 5: Solve for x
    x = 11,712,021,111,420.75/3,911,481.81
  6. Step 6: Final answer
    x = 2,994,267.05

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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.