Home / 3,191,425.92-4,402,848.96-2,225,128.32

Finding the Fourth Proportional to 3,191,425.92, 4,402,848.96 and 2,225,128.32

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Solution

The fourth proportional to 3,191,425.92, 4,402,848.96 and 2,225,128.32 is: 3,069,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,425.92 : 4,402,848.96 = 2,225,128.32 : x
  2. Step 2: Convert to fraction form
    3,191,425.92/4,402,848.96 = 2,225,128.32/x
  3. Step 3: Cross multiply
    3,191,425.92x = 4,402,848.96 × 2,225,128.32
  4. Step 4: Simplify right side
    3,191,425.92x = 9,796,903,909,578.55
  5. Step 5: Solve for x
    x = 9,796,903,909,578.55/3,191,425.92
  6. Step 6: Final answer
    x = 3,069,757.58

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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.