Home / 6,515,318.53-9,775,688.31-2,870,182.76

Finding the Fourth Proportional to 6,515,318.53, 9,775,688.31 and 2,870,182.76

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Solution

The fourth proportional to 6,515,318.53, 9,775,688.31 and 2,870,182.76 is: 4,306,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,318.53 : 9,775,688.31 = 2,870,182.76 : x
  2. Step 2: Convert to fraction form
    6,515,318.53/9,775,688.31 = 2,870,182.76/x
  3. Step 3: Cross multiply
    6,515,318.53x = 9,775,688.31 × 2,870,182.76
  4. Step 4: Simplify right side
    6,515,318.53x = 28,058,012,005,617.09
  5. Step 5: Solve for x
    x = 28,058,012,005,617.09/6,515,318.53
  6. Step 6: Final answer
    x = 4,306,468.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.