Home / 2,879,575-4,320,072.93-857,811.05

Finding the Fourth Proportional to 2,879,575, 4,320,072.93 and 857,811.05

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Solution

The fourth proportional to 2,879,575, 4,320,072.93 and 857,811.05 is: 1,286,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,575 : 4,320,072.93 = 857,811.05 : x
  2. Step 2: Convert to fraction form
    2,879,575/4,320,072.93 = 857,811.05/x
  3. Step 3: Cross multiply
    2,879,575x = 4,320,072.93 × 857,811.05
  4. Step 4: Simplify right side
    2,879,575x = 3,705,806,296,159.88
  5. Step 5: Solve for x
    x = 3,705,806,296,159.88/2,879,575
  6. Step 6: Final answer
    x = 1,286,928.21

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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.