Home / 4,678,869.80-7,018,304.70-2,860,160.60

Finding the Fourth Proportional to 4,678,869.80, 7,018,304.70 and 2,860,160.60

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Solution

The fourth proportional to 4,678,869.80, 7,018,304.70 and 2,860,160.60 is: 4,290,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,869.80 : 7,018,304.70 = 2,860,160.60 : x
  2. Step 2: Convert to fraction form
    4,678,869.80/7,018,304.70 = 2,860,160.60/x
  3. Step 3: Cross multiply
    4,678,869.80x = 7,018,304.70 × 2,860,160.60
  4. Step 4: Simplify right side
    4,678,869.80x = 20,073,478,581,734.82
  5. Step 5: Solve for x
    x = 20,073,478,581,734.82/4,678,869.80
  6. Step 6: Final answer
    x = 4,290,240.90

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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.