Home / 3,171,157.40-4,376,164.02-1,775,721.80

Finding the Fourth Proportional to 3,171,157.40, 4,376,164.02 and 1,775,721.80

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Solution

The fourth proportional to 3,171,157.40, 4,376,164.02 and 1,775,721.80 is: 2,450,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,157.40 : 4,376,164.02 = 1,775,721.80 : x
  2. Step 2: Convert to fraction form
    3,171,157.40/4,376,164.02 = 1,775,721.80/x
  3. Step 3: Cross multiply
    3,171,157.40x = 4,376,164.02 × 1,775,721.80
  4. Step 4: Simplify right side
    3,171,157.40x = 7,770,849,850,689.64
  5. Step 5: Solve for x
    x = 7,770,849,850,689.64/3,171,157.40
  6. Step 6: Final answer
    x = 2,450,477.50

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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.