Home / 2,194,417.20-3,291,625.80-2,180,420.40

Finding the Fourth Proportional to 2,194,417.20, 3,291,625.80 and 2,180,420.40

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Solution

The fourth proportional to 2,194,417.20, 3,291,625.80 and 2,180,420.40 is: 3,270,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194,417.20 : 3,291,625.80 = 2,180,420.40 : x
  2. Step 2: Convert to fraction form
    2,194,417.20/3,291,625.80 = 2,180,420.40/x
  3. Step 3: Cross multiply
    2,194,417.20x = 3,291,625.80 × 2,180,420.40
  4. Step 4: Simplify right side
    2,194,417.20x = 7,177,128,043,486.32
  5. Step 5: Solve for x
    x = 7,177,128,043,486.32/2,194,417.20
  6. Step 6: Final answer
    x = 3,270,630.60

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1.5x scale

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.