Home / 2,878,624.80-4,308,563.34-2,120,167.80

Finding the Fourth Proportional to 2,878,624.80, 4,308,563.34 and 2,120,167.80

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Solution

The fourth proportional to 2,878,624.80, 4,308,563.34 and 2,120,167.80 is: 3,173,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,624.80 : 4,308,563.34 = 2,120,167.80 : x
  2. Step 2: Convert to fraction form
    2,878,624.80/4,308,563.34 = 2,120,167.80/x
  3. Step 3: Cross multiply
    2,878,624.80x = 4,308,563.34 × 2,120,167.80
  4. Step 4: Simplify right side
    2,878,624.80x = 9,134,877,257,728.45
  5. Step 5: Solve for x
    x = 9,134,877,257,728.45/2,878,624.80
  6. Step 6: Final answer
    x = 3,173,347.65

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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.