Home / 2,112,113.22-2,914,712.55-1,181,821.74

Finding the Fourth Proportional to 2,112,113.22, 2,914,712.55 and 1,181,821.74

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Solution

The fourth proportional to 2,112,113.22, 2,914,712.55 and 1,181,821.74 is: 1,630,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,113.22 : 2,914,712.55 = 1,181,821.74 : x
  2. Step 2: Convert to fraction form
    2,112,113.22/2,914,712.55 = 1,181,821.74/x
  3. Step 3: Cross multiply
    2,112,113.22x = 2,914,712.55 × 1,181,821.74
  4. Step 4: Simplify right side
    2,112,113.22x = 3,444,670,657,440.84
  5. Step 5: Solve for x
    x = 3,444,670,657,440.84/2,112,113.22
  6. Step 6: Final answer
    x = 1,630,911.93

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Double scale
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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.