Home / 3,579,440.34-4,939,628.37-1,969,808.34

Finding the Fourth Proportional to 3,579,440.34, 4,939,628.37 and 1,969,808.34

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Solution

The fourth proportional to 3,579,440.34, 4,939,628.37 and 1,969,808.34 is: 2,718,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,440.34 : 4,939,628.37 = 1,969,808.34 : x
  2. Step 2: Convert to fraction form
    3,579,440.34/4,939,628.37 = 1,969,808.34/x
  3. Step 3: Cross multiply
    3,579,440.34x = 4,939,628.37 × 1,969,808.34
  4. Step 4: Simplify right side
    3,579,440.34x = 9,730,121,159,726.61
  5. Step 5: Solve for x
    x = 9,730,121,159,726.61/3,579,440.34
  6. Step 6: Final answer
    x = 2,718,335.89

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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.