Home / 2,285,012.70-3,153,196.08-1,318,085.28

Finding the Fourth Proportional to 2,285,012.70, 3,153,196.08 and 1,318,085.28

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Solution

The fourth proportional to 2,285,012.70, 3,153,196.08 and 1,318,085.28 is: 1,818,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,012.70 : 3,153,196.08 = 1,318,085.28 : x
  2. Step 2: Convert to fraction form
    2,285,012.70/3,153,196.08 = 1,318,085.28/x
  3. Step 3: Cross multiply
    2,285,012.70x = 3,153,196.08 × 1,318,085.28
  4. Step 4: Simplify right side
    2,285,012.70x = 4,156,181,338,001.70
  5. Step 5: Solve for x
    x = 4,156,181,338,001.70/2,285,012.70
  6. Step 6: Final answer
    x = 1,818,887.63

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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.