Home / 5,282,817.10-7,290,314.49-2,991,424.30

Finding the Fourth Proportional to 5,282,817.10, 7,290,314.49 and 2,991,424.30

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Solution

The fourth proportional to 5,282,817.10, 7,290,314.49 and 2,991,424.30 is: 4,128,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282,817.10 : 7,290,314.49 = 2,991,424.30 : x
  2. Step 2: Convert to fraction form
    5,282,817.10/7,290,314.49 = 2,991,424.30/x
  3. Step 3: Cross multiply
    5,282,817.10x = 7,290,314.49 × 2,991,424.30
  4. Step 4: Simplify right side
    5,282,817.10x = 21,808,423,920,028.11
  5. Step 5: Solve for x
    x = 21,808,423,920,028.11/5,282,817.10
  6. Step 6: Final answer
    x = 4,128,180.76

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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.