Home / 1,661,036.60-2,489,999.70-1,301,007.80

Finding the Fourth Proportional to 1,661,036.60, 2,489,999.70 and 1,301,007.80

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Solution

The fourth proportional to 1,661,036.60, 2,489,999.70 and 1,301,007.80 is: 1,950,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,036.60 : 2,489,999.70 = 1,301,007.80 : x
  2. Step 2: Convert to fraction form
    1,661,036.60/2,489,999.70 = 1,301,007.80/x
  3. Step 3: Cross multiply
    1,661,036.60x = 2,489,999.70 × 1,301,007.80
  4. Step 4: Simplify right side
    1,661,036.60x = 3,239,509,031,697.66
  5. Step 5: Solve for x
    x = 3,239,509,031,697.66/1,661,036.60
  6. Step 6: Final answer
    x = 1,950,293.59

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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.