Home / 7,171,339-9,896,448.02-3,952,075

Finding the Fourth Proportional to 7,171,339, 9,896,448.02 and 3,952,075

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Solution

The fourth proportional to 7,171,339, 9,896,448.02 and 3,952,075 is: 5,453,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,339 : 9,896,448.02 = 3,952,075 : x
  2. Step 2: Convert to fraction form
    7,171,339/9,896,448.02 = 3,952,075/x
  3. Step 3: Cross multiply
    7,171,339x = 9,896,448.02 × 3,952,075
  4. Step 4: Simplify right side
    7,171,339x = 39,111,504,808,641.50
  5. Step 5: Solve for x
    x = 39,111,504,808,641.50/7,171,339
  6. Step 6: Final answer
    x = 5,453,863.61

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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.