Home / 3,018,657.34-4,165,769.09-1,642,012.94

Finding the Fourth Proportional to 3,018,657.34, 4,165,769.09 and 1,642,012.94

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Solution

The fourth proportional to 3,018,657.34, 4,165,769.09 and 1,642,012.94 is: 2,265,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,657.34 : 4,165,769.09 = 1,642,012.94 : x
  2. Step 2: Convert to fraction form
    3,018,657.34/4,165,769.09 = 1,642,012.94/x
  3. Step 3: Cross multiply
    3,018,657.34x = 4,165,769.09 × 1,642,012.94
  4. Step 4: Simplify right side
    3,018,657.34x = 6,840,246,750,832.03
  5. Step 5: Solve for x
    x = 6,840,246,750,832.03/3,018,657.34
  6. Step 6: Final answer
    x = 2,265,989.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.