Home / 2,122,887.35-2,929,555.55-1,205,108.48

Finding the Fourth Proportional to 2,122,887.35, 2,929,555.55 and 1,205,108.48

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Solution

The fourth proportional to 2,122,887.35, 2,929,555.55 and 1,205,108.48 is: 1,663,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,887.35 : 2,929,555.55 = 1,205,108.48 : x
  2. Step 2: Convert to fraction form
    2,122,887.35/2,929,555.55 = 1,205,108.48/x
  3. Step 3: Cross multiply
    2,122,887.35x = 2,929,555.55 × 1,205,108.48
  4. Step 4: Simplify right side
    2,122,887.35x = 3,530,432,246,272.72
  5. Step 5: Solve for x
    x = 3,530,432,246,272.72/2,122,887.35
  6. Step 6: Final answer
    x = 1,663,033.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.