Home / 4,118,618.32-5,677,392.90-2,891,481.28

Finding the Fourth Proportional to 4,118,618.32, 5,677,392.90 and 2,891,481.28

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Solution

The fourth proportional to 4,118,618.32, 5,677,392.90 and 2,891,481.28 is: 3,985,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,618.32 : 5,677,392.90 = 2,891,481.28 : x
  2. Step 2: Convert to fraction form
    4,118,618.32/5,677,392.90 = 2,891,481.28/x
  3. Step 3: Cross multiply
    4,118,618.32x = 5,677,392.90 × 2,891,481.28
  4. Step 4: Simplify right side
    4,118,618.32x = 16,416,075,289,554.91
  5. Step 5: Solve for x
    x = 16,416,075,289,554.91/4,118,618.32
  6. Step 6: Final answer
    x = 3,985,820.98

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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.