Home / 2,285,000.02-3,153,178.65-1,318,072.78

Finding the Fourth Proportional to 2,285,000.02, 3,153,178.65 and 1,318,072.78

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Solution

The fourth proportional to 2,285,000.02, 3,153,178.65 and 1,318,072.78 is: 1,818,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,000.02 : 3,153,178.65 = 1,318,072.78 : x
  2. Step 2: Convert to fraction form
    2,285,000.02/3,153,178.65 = 1,318,072.78/x
  3. Step 3: Cross multiply
    2,285,000.02x = 3,153,178.65 × 1,318,072.78
  4. Step 4: Simplify right side
    2,285,000.02x = 4,156,118,949,042.15
  5. Step 5: Solve for x
    x = 4,156,118,949,042.15/2,285,000.02
  6. Step 6: Final answer
    x = 1,818,870.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.