Home / 3,579,518.91-4,939,736.93-1,969,886.91

Finding the Fourth Proportional to 3,579,518.91, 4,939,736.93 and 1,969,886.91

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Solution

The fourth proportional to 3,579,518.91, 4,939,736.93 and 1,969,886.91 is: 2,718,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,518.91 : 4,939,736.93 = 1,969,886.91 : x
  2. Step 2: Convert to fraction form
    3,579,518.91/4,939,736.93 = 1,969,886.91/x
  3. Step 3: Cross multiply
    3,579,518.91x = 4,939,736.93 × 1,969,886.91
  4. Step 4: Simplify right side
    3,579,518.91x = 9,730,723,107,401.15
  5. Step 5: Solve for x
    x = 9,730,723,107,401.15/3,579,518.91
  6. Step 6: Final answer
    x = 2,718,444.39

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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.