Home / 2,069,711.40-3,104,567.10-1,820,879.40

Finding the Fourth Proportional to 2,069,711.40, 3,104,567.10 and 1,820,879.40

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Solution

The fourth proportional to 2,069,711.40, 3,104,567.10 and 1,820,879.40 is: 2,731,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,711.40 : 3,104,567.10 = 1,820,879.40 : x
  2. Step 2: Convert to fraction form
    2,069,711.40/3,104,567.10 = 1,820,879.40/x
  3. Step 3: Cross multiply
    2,069,711.40x = 3,104,567.10 × 1,820,879.40
  4. Step 4: Simplify right side
    2,069,711.40x = 5,653,042,278,307.74
  5. Step 5: Solve for x
    x = 5,653,042,278,307.74/2,069,711.40
  6. Step 6: Final answer
    x = 2,731,319.10

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Double scale
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Similar ratio
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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.