Home / 5,127,689.30-7,076,153.90-2,804,648.56

Finding the Fourth Proportional to 5,127,689.30, 7,076,153.90 and 2,804,648.56

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Solution

The fourth proportional to 5,127,689.30, 7,076,153.90 and 2,804,648.56 is: 3,870,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,689.30 : 7,076,153.90 = 2,804,648.56 : x
  2. Step 2: Convert to fraction form
    5,127,689.30/7,076,153.90 = 2,804,648.56/x
  3. Step 3: Cross multiply
    5,127,689.30x = 7,076,153.90 × 2,804,648.56
  4. Step 4: Simplify right side
    5,127,689.30x = 19,846,124,827,406.55
  5. Step 5: Solve for x
    x = 19,846,124,827,406.55/5,127,689.30
  6. Step 6: Final answer
    x = 3,870,383.65

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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.