Home / 5,775,528.81-7,970,323.74-3,161,988.78

Finding the Fourth Proportional to 5,775,528.81, 7,970,323.74 and 3,161,988.78

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Solution

The fourth proportional to 5,775,528.81, 7,970,323.74 and 3,161,988.78 is: 4,363,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775,528.81 : 7,970,323.74 = 3,161,988.78 : x
  2. Step 2: Convert to fraction form
    5,775,528.81/7,970,323.74 = 3,161,988.78/x
  3. Step 3: Cross multiply
    5,775,528.81x = 7,970,323.74 × 3,161,988.78
  4. Step 4: Simplify right side
    5,775,528.81x = 25,202,074,238,847.64
  5. Step 5: Solve for x
    x = 25,202,074,238,847.64/5,775,528.81
  6. Step 6: Final answer
    x = 4,363,595.97

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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.