Home / 2,378,999.53-3,283,022.64-1,291,271.32

Finding the Fourth Proportional to 2,378,999.53, 3,283,022.64 and 1,291,271.32

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Solution

The fourth proportional to 2,378,999.53, 3,283,022.64 and 1,291,271.32 is: 1,781,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,999.53 : 3,283,022.64 = 1,291,271.32 : x
  2. Step 2: Convert to fraction form
    2,378,999.53/3,283,022.64 = 1,291,271.32/x
  3. Step 3: Cross multiply
    2,378,999.53x = 3,283,022.64 × 1,291,271.32
  4. Step 4: Simplify right side
    2,378,999.53x = 4,239,272,986,888.73
  5. Step 5: Solve for x
    x = 4,239,272,986,888.73/2,378,999.53
  6. Step 6: Final answer
    x = 1,781,956.21

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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.