Home / 4,521,378.24-6,782,131.18-1,326,570.38

Finding the Fourth Proportional to 4,521,378.24, 6,782,131.18 and 1,326,570.38

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Solution

The fourth proportional to 4,521,378.24, 6,782,131.18 and 1,326,570.38 is: 1,989,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521,378.24 : 6,782,131.18 = 1,326,570.38 : x
  2. Step 2: Convert to fraction form
    4,521,378.24/6,782,131.18 = 1,326,570.38/x
  3. Step 3: Cross multiply
    4,521,378.24x = 6,782,131.18 × 1,326,570.38
  4. Step 4: Simplify right side
    4,521,378.24x = 8,996,974,336,662.45
  5. Step 5: Solve for x
    x = 8,996,974,336,662.45/4,521,378.24
  6. Step 6: Final answer
    x = 1,989,874.29

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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.