Home / 5,428,283.46-8,140,699.47-1,784,172.84

Finding the Fourth Proportional to 5,428,283.46, 8,140,699.47 and 1,784,172.84

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Solution

The fourth proportional to 5,428,283.46, 8,140,699.47 and 1,784,172.84 is: 2,675,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,283.46 : 8,140,699.47 = 1,784,172.84 : x
  2. Step 2: Convert to fraction form
    5,428,283.46/8,140,699.47 = 1,784,172.84/x
  3. Step 3: Cross multiply
    5,428,283.46x = 8,140,699.47 × 1,784,172.84
  4. Step 4: Simplify right side
    5,428,283.46x = 14,524,414,892,976.39
  5. Step 5: Solve for x
    x = 14,524,414,892,976.39/5,428,283.46
  6. Step 6: Final answer
    x = 2,675,692.05

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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.