Home / 1,952,679.40-2,930,768.70-1,686,740.20

Finding the Fourth Proportional to 1,952,679.40, 2,930,768.70 and 1,686,740.20

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Solution

The fourth proportional to 1,952,679.40, 2,930,768.70 and 1,686,740.20 is: 2,531,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952,679.40 : 2,930,768.70 = 1,686,740.20 : x
  2. Step 2: Convert to fraction form
    1,952,679.40/2,930,768.70 = 1,686,740.20/x
  3. Step 3: Cross multiply
    1,952,679.40x = 2,930,768.70 × 1,686,740.20
  4. Step 4: Simplify right side
    1,952,679.40x = 4,943,445,383,191.74
  5. Step 5: Solve for x
    x = 4,943,445,383,191.74/1,952,679.40
  6. Step 6: Final answer
    x = 2,531,621.62

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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.