Home / 2,015,538.39-2,781,442.80-1,110,120.39

Finding the Fourth Proportional to 2,015,538.39, 2,781,442.80 and 1,110,120.39

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Solution

The fourth proportional to 2,015,538.39, 2,781,442.80 and 1,110,120.39 is: 1,531,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,538.39 : 2,781,442.80 = 1,110,120.39 : x
  2. Step 2: Convert to fraction form
    2,015,538.39/2,781,442.80 = 1,110,120.39/x
  3. Step 3: Cross multiply
    2,015,538.39x = 2,781,442.80 × 1,110,120.39
  4. Step 4: Simplify right side
    2,015,538.39x = 3,087,736,365,898.69
  5. Step 5: Solve for x
    x = 3,087,736,365,898.69/2,015,538.39
  6. Step 6: Final answer
    x = 1,531,966.04

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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.