Home / 4,889,720.20-7,328,675.40-2,492,330.80

Finding the Fourth Proportional to 4,889,720.20, 7,328,675.40 and 2,492,330.80

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Solution

The fourth proportional to 4,889,720.20, 7,328,675.40 and 2,492,330.80 is: 3,735,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,720.20 : 7,328,675.40 = 2,492,330.80 : x
  2. Step 2: Convert to fraction form
    4,889,720.20/7,328,675.40 = 2,492,330.80/x
  3. Step 3: Cross multiply
    4,889,720.20x = 7,328,675.40 × 2,492,330.80
  4. Step 4: Simplify right side
    4,889,720.20x = 18,265,483,422,622.32
  5. Step 5: Solve for x
    x = 18,265,483,422,622.32/4,889,720.20
  6. Step 6: Final answer
    x = 3,735,486.42

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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.