Home / 3,219,905.20-4,829,857.80-975,751.60

Finding the Fourth Proportional to 3,219,905.20, 4,829,857.80 and 975,751.60

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Solution

The fourth proportional to 3,219,905.20, 4,829,857.80 and 975,751.60 is: 1,463,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,905.20 : 4,829,857.80 = 975,751.60 : x
  2. Step 2: Convert to fraction form
    3,219,905.20/4,829,857.80 = 975,751.60/x
  3. Step 3: Cross multiply
    3,219,905.20x = 4,829,857.80 × 975,751.60
  4. Step 4: Simplify right side
    3,219,905.20x = 4,712,741,476,122.48
  5. Step 5: Solve for x
    x = 4,712,741,476,122.48/3,219,905.20
  6. Step 6: Final answer
    x = 1,463,627.40

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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.