Home / 5,282,816.85-7,290,314.15-2,991,424.05

Finding the Fourth Proportional to 5,282,816.85, 7,290,314.15 and 2,991,424.05

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Solution

The fourth proportional to 5,282,816.85, 7,290,314.15 and 2,991,424.05 is: 4,128,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282,816.85 : 7,290,314.15 = 2,991,424.05 : x
  2. Step 2: Convert to fraction form
    5,282,816.85/7,290,314.15 = 2,991,424.05/x
  3. Step 3: Cross multiply
    5,282,816.85x = 7,290,314.15 × 2,991,424.05
  4. Step 4: Simplify right side
    5,282,816.85x = 21,808,421,065,408.18
  5. Step 5: Solve for x
    x = 21,808,421,065,408.18/5,282,816.85
  6. Step 6: Final answer
    x = 4,128,180.42

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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.