Home / 1,728,120.60-2,592,180.90-1,628,393.40

Finding the Fourth Proportional to 1,728,120.60, 2,592,180.90 and 1,628,393.40

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Solution

The fourth proportional to 1,728,120.60, 2,592,180.90 and 1,628,393.40 is: 2,442,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,120.60 : 2,592,180.90 = 1,628,393.40 : x
  2. Step 2: Convert to fraction form
    1,728,120.60/2,592,180.90 = 1,628,393.40/x
  3. Step 3: Cross multiply
    1,728,120.60x = 2,592,180.90 × 1,628,393.40
  4. Step 4: Simplify right side
    1,728,120.60x = 4,221,090,269,166.06
  5. Step 5: Solve for x
    x = 4,221,090,269,166.06/1,728,120.60
  6. Step 6: Final answer
    x = 2,442,590.10

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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.