Home / 3,453,625.20-5,180,437.80-1,089,721.20

Finding the Fourth Proportional to 3,453,625.20, 5,180,437.80 and 1,089,721.20

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Solution

The fourth proportional to 3,453,625.20, 5,180,437.80 and 1,089,721.20 is: 1,634,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453,625.20 : 5,180,437.80 = 1,089,721.20 : x
  2. Step 2: Convert to fraction form
    3,453,625.20/5,180,437.80 = 1,089,721.20/x
  3. Step 3: Cross multiply
    3,453,625.20x = 5,180,437.80 × 1,089,721.20
  4. Step 4: Simplify right side
    3,453,625.20x = 5,645,232,895,941.36
  5. Step 5: Solve for x
    x = 5,645,232,895,941.36/3,453,625.20
  6. Step 6: Final answer
    x = 1,634,581.80

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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.