Home / 5,212,140.44-7,782,560-4,668,889.64

Finding the Fourth Proportional to 5,212,140.44, 7,782,560 and 4,668,889.64

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Solution

The fourth proportional to 5,212,140.44, 7,782,560 and 4,668,889.64 is: 6,971,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,140.44 : 7,782,560 = 4,668,889.64 : x
  2. Step 2: Convert to fraction form
    5,212,140.44/7,782,560 = 4,668,889.64/x
  3. Step 3: Cross multiply
    5,212,140.44x = 7,782,560 × 4,668,889.64
  4. Step 4: Simplify right side
    5,212,140.44x = 36,335,913,756,678.40
  5. Step 5: Solve for x
    x = 36,335,913,756,678.40/5,212,140.44
  6. Step 6: Final answer
    x = 6,971,399.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.