Home / 2,109,996.74-3,164,663.73-670,490.62

Finding the Fourth Proportional to 2,109,996.74, 3,164,663.73 and 670,490.62

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Solution

The fourth proportional to 2,109,996.74, 3,164,663.73 and 670,490.62 is: 1,005,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,996.74 : 3,164,663.73 = 670,490.62 : x
  2. Step 2: Convert to fraction form
    2,109,996.74/3,164,663.73 = 670,490.62/x
  3. Step 3: Cross multiply
    2,109,996.74x = 3,164,663.73 × 670,490.62
  4. Step 4: Simplify right side
    2,109,996.74x = 2,121,877,348,036.76
  5. Step 5: Solve for x
    x = 2,121,877,348,036.76/2,109,996.74
  6. Step 6: Final answer
    x = 1,005,630.63

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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.