Home / 5,453,612.80-8,180,419.20-1,615,573.60

Finding the Fourth Proportional to 5,453,612.80, 8,180,419.20 and 1,615,573.60

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Solution

The fourth proportional to 5,453,612.80, 8,180,419.20 and 1,615,573.60 is: 2,423,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453,612.80 : 8,180,419.20 = 1,615,573.60 : x
  2. Step 2: Convert to fraction form
    5,453,612.80/8,180,419.20 = 1,615,573.60/x
  3. Step 3: Cross multiply
    5,453,612.80x = 8,180,419.20 × 1,615,573.60
  4. Step 4: Simplify right side
    5,453,612.80x = 13,216,069,296,453.12
  5. Step 5: Solve for x
    x = 13,216,069,296,453.12/5,453,612.80
  6. Step 6: Final answer
    x = 2,423,360.40

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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.