Home / 1,979,020.78-2,970,450.77-955,071.66

Finding the Fourth Proportional to 1,979,020.78, 2,970,450.77 and 955,071.66

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Solution

The fourth proportional to 1,979,020.78, 2,970,450.77 and 955,071.66 is: 1,433,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,020.78 : 2,970,450.77 = 955,071.66 : x
  2. Step 2: Convert to fraction form
    1,979,020.78/2,970,450.77 = 955,071.66/x
  3. Step 3: Cross multiply
    1,979,020.78x = 2,970,450.77 × 955,071.66
  4. Step 4: Simplify right side
    1,979,020.78x = 2,836,993,347,852.18
  5. Step 5: Solve for x
    x = 2,836,993,347,852.18/1,979,020.78
  6. Step 6: Final answer
    x = 1,433,533.89

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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.