Home / 5,087,175.70-7,630,763.55-1,891,640.65

Finding the Fourth Proportional to 5,087,175.70, 7,630,763.55 and 1,891,640.65

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Solution

The fourth proportional to 5,087,175.70, 7,630,763.55 and 1,891,640.65 is: 2,837,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087,175.70 : 7,630,763.55 = 1,891,640.65 : x
  2. Step 2: Convert to fraction form
    5,087,175.70/7,630,763.55 = 1,891,640.65/x
  3. Step 3: Cross multiply
    5,087,175.70x = 7,630,763.55 × 1,891,640.65
  4. Step 4: Simplify right side
    5,087,175.70x = 14,434,662,521,718.31
  5. Step 5: Solve for x
    x = 14,434,662,521,718.31/5,087,175.70
  6. Step 6: Final answer
    x = 2,837,460.98

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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.