Home / 5,221,556.66-7,205,872.32-2,929,886.84

Finding the Fourth Proportional to 5,221,556.66, 7,205,872.32 and 2,929,886.84

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Solution

The fourth proportional to 5,221,556.66, 7,205,872.32 and 2,929,886.84 is: 4,043,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,556.66 : 7,205,872.32 = 2,929,886.84 : x
  2. Step 2: Convert to fraction form
    5,221,556.66/7,205,872.32 = 2,929,886.84/x
  3. Step 3: Cross multiply
    5,221,556.66x = 7,205,872.32 × 2,929,886.84
  4. Step 4: Simplify right side
    5,221,556.66x = 21,112,390,445,058.91
  5. Step 5: Solve for x
    x = 21,112,390,445,058.91/5,221,556.66
  6. Step 6: Final answer
    x = 4,043,313.49

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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.