Home / 2,947,868.57-4,414,716.84-1,681,858.01

Finding the Fourth Proportional to 2,947,868.57, 4,414,716.84 and 1,681,858.01

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Solution

The fourth proportional to 2,947,868.57, 4,414,716.84 and 1,681,858.01 is: 2,518,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,868.57 : 4,414,716.84 = 1,681,858.01 : x
  2. Step 2: Convert to fraction form
    2,947,868.57/4,414,716.84 = 1,681,858.01/x
  3. Step 3: Cross multiply
    2,947,868.57x = 4,414,716.84 × 1,681,858.01
  4. Step 4: Simplify right side
    2,947,868.57x = 7,424,926,879,235.89
  5. Step 5: Solve for x
    x = 7,424,926,879,235.89/2,947,868.57
  6. Step 6: Final answer
    x = 2,518,744.21

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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.