Home / 4,115,419.90-5,679,628.36-2,280,453.80

Finding the Fourth Proportional to 4,115,419.90, 5,679,628.36 and 2,280,453.80

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Solution

The fourth proportional to 4,115,419.90, 5,679,628.36 and 2,280,453.80 is: 3,147,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,419.90 : 5,679,628.36 = 2,280,453.80 : x
  2. Step 2: Convert to fraction form
    4,115,419.90/5,679,628.36 = 2,280,453.80/x
  3. Step 3: Cross multiply
    4,115,419.90x = 5,679,628.36 × 2,280,453.80
  4. Step 4: Simplify right side
    4,115,419.90x = 12,952,130,061,950.70
  5. Step 5: Solve for x
    x = 12,952,130,061,950.70/4,115,419.90
  6. Step 6: Final answer
    x = 3,147,219.57

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1.5x scale

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.