Home / 3,880,462.53-5,355,203.79-2,161,583.81

Finding the Fourth Proportional to 3,880,462.53, 5,355,203.79 and 2,161,583.81

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Solution

The fourth proportional to 3,880,462.53, 5,355,203.79 and 2,161,583.81 is: 2,983,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,462.53 : 5,355,203.79 = 2,161,583.81 : x
  2. Step 2: Convert to fraction form
    3,880,462.53/5,355,203.79 = 2,161,583.81/x
  3. Step 3: Cross multiply
    3,880,462.53x = 5,355,203.79 × 2,161,583.81
  4. Step 4: Simplify right side
    3,880,462.53x = 11,575,721,811,714.64
  5. Step 5: Solve for x
    x = 11,575,721,811,714.64/3,880,462.53
  6. Step 6: Final answer
    x = 2,983,077.85

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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.