Home / 4,685,456.31-7,028,753.19-1,319,663.31

Finding the Fourth Proportional to 4,685,456.31, 7,028,753.19 and 1,319,663.31

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Solution

The fourth proportional to 4,685,456.31, 7,028,753.19 and 1,319,663.31 is: 1,979,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685,456.31 : 7,028,753.19 = 1,319,663.31 : x
  2. Step 2: Convert to fraction form
    4,685,456.31/7,028,753.19 = 1,319,663.31/x
  3. Step 3: Cross multiply
    4,685,456.31x = 7,028,753.19 × 1,319,663.31
  4. Step 4: Simplify right side
    4,685,456.31x = 9,275,587,699,888.46
  5. Step 5: Solve for x
    x = 9,275,587,699,888.46/4,685,456.31
  6. Step 6: Final answer
    x = 1,979,655.15

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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.