Home / 2,692,004.31-4,038,788.31-870,330.36

Finding the Fourth Proportional to 2,692,004.31, 4,038,788.31 and 870,330.36

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Solution

The fourth proportional to 2,692,004.31, 4,038,788.31 and 870,330.36 is: 1,305,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,004.31 : 4,038,788.31 = 870,330.36 : x
  2. Step 2: Convert to fraction form
    2,692,004.31/4,038,788.31 = 870,330.36/x
  3. Step 3: Cross multiply
    2,692,004.31x = 4,038,788.31 × 870,330.36
  4. Step 4: Simplify right side
    2,692,004.31x = 3,515,080,083,806.09
  5. Step 5: Solve for x
    x = 3,515,080,083,806.09/2,692,004.31
  6. Step 6: Final answer
    x = 1,305,748.31

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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.