Home / 4,839,878.40-7,259,817.60-3,147,820.80

Finding the Fourth Proportional to 4,839,878.40, 7,259,817.60 and 3,147,820.80

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Solution

The fourth proportional to 4,839,878.40, 7,259,817.60 and 3,147,820.80 is: 4,721,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839,878.40 : 7,259,817.60 = 3,147,820.80 : x
  2. Step 2: Convert to fraction form
    4,839,878.40/7,259,817.60 = 3,147,820.80/x
  3. Step 3: Cross multiply
    4,839,878.40x = 7,259,817.60 × 3,147,820.80
  4. Step 4: Simplify right side
    4,839,878.40x = 22,852,604,845,486.08
  5. Step 5: Solve for x
    x = 22,852,604,845,486.08/4,839,878.40
  6. Step 6: Final answer
    x = 4,721,731.20

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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.