Home / 4,685,454.31-7,028,750.19-1,319,661.31

Finding the Fourth Proportional to 4,685,454.31, 7,028,750.19 and 1,319,661.31

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Solution

The fourth proportional to 4,685,454.31, 7,028,750.19 and 1,319,661.31 is: 1,979,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685,454.31 : 7,028,750.19 = 1,319,661.31 : x
  2. Step 2: Convert to fraction form
    4,685,454.31/7,028,750.19 = 1,319,661.31/x
  3. Step 3: Cross multiply
    4,685,454.31x = 7,028,750.19 × 1,319,661.31
  4. Step 4: Simplify right side
    4,685,454.31x = 9,275,569,683,398.15
  5. Step 5: Solve for x
    x = 9,275,569,683,398.15/4,685,454.31
  6. Step 6: Final answer
    x = 1,979,652.15

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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.