Home / 6,721,605.42-9,273,174.72-4,138,807.02

Finding the Fourth Proportional to 6,721,605.42, 9,273,174.72 and 4,138,807.02

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Solution

The fourth proportional to 6,721,605.42, 9,273,174.72 and 4,138,807.02 is: 5,709,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,605.42 : 9,273,174.72 = 4,138,807.02 : x
  2. Step 2: Convert to fraction form
    6,721,605.42/9,273,174.72 = 4,138,807.02/x
  3. Step 3: Cross multiply
    6,721,605.42x = 9,273,174.72 × 4,138,807.02
  4. Step 4: Simplify right side
    6,721,605.42x = 38,379,880,628,822.54
  5. Step 5: Solve for x
    x = 38,379,880,628,822.54/6,721,605.42
  6. Step 6: Final answer
    x = 5,709,927.65

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1.5x scale

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.