Home / 3,680,478.63-5,516,241.62-1,970,419.59

Finding the Fourth Proportional to 3,680,478.63, 5,516,241.62 and 1,970,419.59

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Solution

The fourth proportional to 3,680,478.63, 5,516,241.62 and 1,970,419.59 is: 2,953,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,478.63 : 5,516,241.62 = 1,970,419.59 : x
  2. Step 2: Convert to fraction form
    3,680,478.63/5,516,241.62 = 1,970,419.59/x
  3. Step 3: Cross multiply
    3,680,478.63x = 5,516,241.62 × 1,970,419.59
  4. Step 4: Simplify right side
    3,680,478.63x = 10,869,310,541,369.24
  5. Step 5: Solve for x
    x = 10,869,310,541,369.24/3,680,478.63
  6. Step 6: Final answer
    x = 2,953,232.89

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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.