Home / 1,646,837.06-2,470,962.09-636,668.48

Finding the Fourth Proportional to 1,646,837.06, 2,470,962.09 and 636,668.48

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Solution

The fourth proportional to 1,646,837.06, 2,470,962.09 and 636,668.48 is: 955,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,837.06 : 2,470,962.09 = 636,668.48 : x
  2. Step 2: Convert to fraction form
    1,646,837.06/2,470,962.09 = 636,668.48/x
  3. Step 3: Cross multiply
    1,646,837.06x = 2,470,962.09 × 636,668.48
  4. Step 4: Simplify right side
    1,646,837.06x = 1,573,183,668,010.62
  5. Step 5: Solve for x
    x = 1,573,183,668,010.62/1,646,837.06
  6. Step 6: Final answer
    x = 955,275.85

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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.