Home / 1,646,817.95-2,470,933.44-636,649.38

Finding the Fourth Proportional to 1,646,817.95, 2,470,933.44 and 636,649.38

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Solution

The fourth proportional to 1,646,817.95, 2,470,933.44 and 636,649.38 is: 955,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,817.95 : 2,470,933.44 = 636,649.38 : x
  2. Step 2: Convert to fraction form
    1,646,817.95/2,470,933.44 = 636,649.38/x
  3. Step 3: Cross multiply
    1,646,817.95x = 2,470,933.44 × 636,649.38
  4. Step 4: Simplify right side
    1,646,817.95x = 1,573,118,227,059.35
  5. Step 5: Solve for x
    x = 1,573,118,227,059.35/1,646,817.95
  6. Step 6: Final answer
    x = 955,247.19

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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.