Home / 5,282,822.35-7,290,321.74-2,991,429.55

Finding the Fourth Proportional to 5,282,822.35, 7,290,321.74 and 2,991,429.55

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Solution

The fourth proportional to 5,282,822.35, 7,290,321.74 and 2,991,429.55 is: 4,128,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282,822.35 : 7,290,321.74 = 2,991,429.55 : x
  2. Step 2: Convert to fraction form
    5,282,822.35/7,290,321.74 = 2,991,429.55/x
  3. Step 3: Cross multiply
    5,282,822.35x = 7,290,321.74 × 2,991,429.55
  4. Step 4: Simplify right side
    5,282,822.35x = 21,808,483,882,043.42
  5. Step 5: Solve for x
    x = 21,808,483,882,043.42/5,282,822.35
  6. Step 6: Final answer
    x = 4,128,188.01

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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.