Home / 1,940,865.60-2,911,298.40-1,853,774.40

Finding the Fourth Proportional to 1,940,865.60, 2,911,298.40 and 1,853,774.40

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Solution

The fourth proportional to 1,940,865.60, 2,911,298.40 and 1,853,774.40 is: 2,780,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,865.60 : 2,911,298.40 = 1,853,774.40 : x
  2. Step 2: Convert to fraction form
    1,940,865.60/2,911,298.40 = 1,853,774.40/x
  3. Step 3: Cross multiply
    1,940,865.60x = 2,911,298.40 × 1,853,774.40
  4. Step 4: Simplify right side
    1,940,865.60x = 5,396,890,444,680.96
  5. Step 5: Solve for x
    x = 5,396,890,444,680.96/1,940,865.60
  6. Step 6: Final answer
    x = 2,780,661.60

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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.