Home / 3,467,809.92-4,785,385.20-1,939,621.80

Finding the Fourth Proportional to 3,467,809.92, 4,785,385.20 and 1,939,621.80

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Solution

The fourth proportional to 3,467,809.92, 4,785,385.20 and 1,939,621.80 is: 2,676,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467,809.92 : 4,785,385.20 = 1,939,621.80 : x
  2. Step 2: Convert to fraction form
    3,467,809.92/4,785,385.20 = 1,939,621.80/x
  3. Step 3: Cross multiply
    3,467,809.92x = 4,785,385.20 × 1,939,621.80
  4. Step 4: Simplify right side
    3,467,809.92x = 9,281,837,455,317.36
  5. Step 5: Solve for x
    x = 9,281,837,455,317.36/3,467,809.92
  6. Step 6: Final answer
    x = 2,676,570.42

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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.