Home / 3,181,161.60-4,774,075.20-2,115,849.60

Finding the Fourth Proportional to 3,181,161.60, 4,774,075.20 and 2,115,849.60

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Solution

The fourth proportional to 3,181,161.60, 4,774,075.20 and 2,115,849.60 is: 3,175,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,161.60 : 4,774,075.20 = 2,115,849.60 : x
  2. Step 2: Convert to fraction form
    3,181,161.60/4,774,075.20 = 2,115,849.60/x
  3. Step 3: Cross multiply
    3,181,161.60x = 4,774,075.20 × 2,115,849.60
  4. Step 4: Simplify right side
    3,181,161.60x = 10,101,225,102,289.92
  5. Step 5: Solve for x
    x = 10,101,225,102,289.92/3,181,161.60
  6. Step 6: Final answer
    x = 3,175,325.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.