Home / 2,239,133.92-3,089,888.22-1,272,130

Finding the Fourth Proportional to 2,239,133.92, 3,089,888.22 and 1,272,130

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Solution

The fourth proportional to 2,239,133.92, 3,089,888.22 and 1,272,130 is: 1,755,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,133.92 : 3,089,888.22 = 1,272,130 : x
  2. Step 2: Convert to fraction form
    2,239,133.92/3,089,888.22 = 1,272,130/x
  3. Step 3: Cross multiply
    2,239,133.92x = 3,089,888.22 × 1,272,130
  4. Step 4: Simplify right side
    2,239,133.92x = 3,930,739,501,308.60
  5. Step 5: Solve for x
    x = 3,930,739,501,308.60/2,239,133.92
  6. Step 6: Final answer
    x = 1,755,473.16

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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.