Home / 6,178,276.70-9,268,289.85-1,918,000.70

Finding the Fourth Proportional to 6,178,276.70, 9,268,289.85 and 1,918,000.70

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Solution

The fourth proportional to 6,178,276.70, 9,268,289.85 and 1,918,000.70 is: 2,877,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,276.70 : 9,268,289.85 = 1,918,000.70 : x
  2. Step 2: Convert to fraction form
    6,178,276.70/9,268,289.85 = 1,918,000.70/x
  3. Step 3: Cross multiply
    6,178,276.70x = 9,268,289.85 × 1,918,000.70
  4. Step 4: Simplify right side
    6,178,276.70x = 17,776,586,420,102.89
  5. Step 5: Solve for x
    x = 17,776,586,420,102.89/6,178,276.70
  6. Step 6: Final answer
    x = 2,877,272.63

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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.