Home / 7,269,820.80-10,904,731.20-1,878,460.80

Finding the Fourth Proportional to 7,269,820.80, 10,904,731.20 and 1,878,460.80

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Solution

The fourth proportional to 7,269,820.80, 10,904,731.20 and 1,878,460.80 is: 2,817,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269,820.80 : 10,904,731.20 = 1,878,460.80 : x
  2. Step 2: Convert to fraction form
    7,269,820.80/10,904,731.20 = 1,878,460.80/x
  3. Step 3: Cross multiply
    7,269,820.80x = 10,904,731.20 × 1,878,460.80
  4. Step 4: Simplify right side
    7,269,820.80x = 20,484,110,093,736.96
  5. Step 5: Solve for x
    x = 20,484,110,093,736.96/7,269,820.80
  6. Step 6: Final answer
    x = 2,817,691.20

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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.