Home / 2,103,071.92-2,902,297.44-1,287,259.36

Finding the Fourth Proportional to 2,103,071.92, 2,902,297.44 and 1,287,259.36

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Solution

The fourth proportional to 2,103,071.92, 2,902,297.44 and 1,287,259.36 is: 1,776,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,071.92 : 2,902,297.44 = 1,287,259.36 : x
  2. Step 2: Convert to fraction form
    2,103,071.92/2,902,297.44 = 1,287,259.36/x
  3. Step 3: Cross multiply
    2,103,071.92x = 2,902,297.44 × 1,287,259.36
  4. Step 4: Simplify right side
    2,103,071.92x = 3,736,009,545,144.04
  5. Step 5: Solve for x
    x = 3,736,009,545,144.04/2,103,071.92
  6. Step 6: Final answer
    x = 1,776,453.53

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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.