Home / 3,213,075.54-4,819,416.12-1,319,767.86

Finding the Fourth Proportional to 3,213,075.54, 4,819,416.12 and 1,319,767.86

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Solution

The fourth proportional to 3,213,075.54, 4,819,416.12 and 1,319,767.86 is: 1,979,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,075.54 : 4,819,416.12 = 1,319,767.86 : x
  2. Step 2: Convert to fraction form
    3,213,075.54/4,819,416.12 = 1,319,767.86/x
  3. Step 3: Cross multiply
    3,213,075.54x = 4,819,416.12 × 1,319,767.86
  4. Step 4: Simplify right side
    3,213,075.54x = 6,360,510,499,141.90
  5. Step 5: Solve for x
    x = 6,360,510,499,141.90/3,213,075.54
  6. Step 6: Final answer
    x = 1,979,570.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.