Home / 6,877,178.85-9,490,306.64-3,936,896.69

Finding the Fourth Proportional to 6,877,178.85, 9,490,306.64 and 3,936,896.69

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Solution

The fourth proportional to 6,877,178.85, 9,490,306.64 and 3,936,896.69 is: 5,432,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877,178.85 : 9,490,306.64 = 3,936,896.69 : x
  2. Step 2: Convert to fraction form
    6,877,178.85/9,490,306.64 = 3,936,896.69/x
  3. Step 3: Cross multiply
    6,877,178.85x = 9,490,306.64 × 3,936,896.69
  4. Step 4: Simplify right side
    6,877,178.85x = 37,362,356,831,669.03
  5. Step 5: Solve for x
    x = 37,362,356,831,669.03/6,877,178.85
  6. Step 6: Final answer
    x = 5,432,802.85

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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.