Home / 5,112,203.20-7,658,973.60-4,160,420.80

Finding the Fourth Proportional to 5,112,203.20, 7,658,973.60 and 4,160,420.80

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Solution

The fourth proportional to 5,112,203.20, 7,658,973.60 and 4,160,420.80 is: 6,233,037.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,203.20 : 7,658,973.60 = 4,160,420.80 : x
  2. Step 2: Convert to fraction form
    5,112,203.20/7,658,973.60 = 4,160,420.80/x
  3. Step 3: Cross multiply
    5,112,203.20x = 7,658,973.60 × 4,160,420.80
  4. Step 4: Simplify right side
    5,112,203.20x = 31,864,553,072,090.88
  5. Step 5: Solve for x
    x = 31,864,553,072,090.88/5,112,203.20
  6. Step 6: Final answer
    x = 6,233,037.27

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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.