Home / 3,605,877.72-5,407,977-1,688,112

Finding the Fourth Proportional to 3,605,877.72, 5,407,977 and 1,688,112

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Solution

The fourth proportional to 3,605,877.72, 5,407,977 and 1,688,112 is: 2,531,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605,877.72 : 5,407,977 = 1,688,112 : x
  2. Step 2: Convert to fraction form
    3,605,877.72/5,407,977 = 1,688,112/x
  3. Step 3: Cross multiply
    3,605,877.72x = 5,407,977 × 1,688,112
  4. Step 4: Simplify right side
    3,605,877.72x = 9,129,270,869,424
  5. Step 5: Solve for x
    x = 9,129,270,869,424/3,605,877.72
  6. Step 6: Final answer
    x = 2,531,774.95

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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.