Home / 2,680,193.21-3,699,528.59-1,715,920.61

Finding the Fourth Proportional to 2,680,193.21, 3,699,528.59 and 1,715,920.61

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Solution

The fourth proportional to 2,680,193.21, 3,699,528.59 and 1,715,920.61 is: 2,368,522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,193.21 : 3,699,528.59 = 1,715,920.61 : x
  2. Step 2: Convert to fraction form
    2,680,193.21/3,699,528.59 = 1,715,920.61/x
  3. Step 3: Cross multiply
    2,680,193.21x = 3,699,528.59 × 1,715,920.61
  4. Step 4: Simplify right side
    2,680,193.21x = 6,348,097,340,657.40
  5. Step 5: Solve for x
    x = 6,348,097,340,657.40/2,680,193.21
  6. Step 6: Final answer
    x = 2,368,522.29

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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.