Home / 4,627,080.96-6,940,915.44-1,431,938.88

Finding the Fourth Proportional to 4,627,080.96, 6,940,915.44 and 1,431,938.88

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Solution

The fourth proportional to 4,627,080.96, 6,940,915.44 and 1,431,938.88 is: 2,147,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627,080.96 : 6,940,915.44 = 1,431,938.88 : x
  2. Step 2: Convert to fraction form
    4,627,080.96/6,940,915.44 = 1,431,938.88/x
  3. Step 3: Cross multiply
    4,627,080.96x = 6,940,915.44 × 1,431,938.88
  4. Step 4: Simplify right side
    4,627,080.96x = 9,938,966,681,328.31
  5. Step 5: Solve for x
    x = 9,938,966,681,328.31/4,627,080.96
  6. Step 6: Final answer
    x = 2,147,999.30

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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.