Home / 3,515,505.60-5,273,258.40-1,621,686.72

Finding the Fourth Proportional to 3,515,505.60, 5,273,258.40 and 1,621,686.72

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Solution

The fourth proportional to 3,515,505.60, 5,273,258.40 and 1,621,686.72 is: 2,432,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515,505.60 : 5,273,258.40 = 1,621,686.72 : x
  2. Step 2: Convert to fraction form
    3,515,505.60/5,273,258.40 = 1,621,686.72/x
  3. Step 3: Cross multiply
    3,515,505.60x = 5,273,258.40 × 1,621,686.72
  4. Step 4: Simplify right side
    3,515,505.60x = 8,551,573,118,408.45
  5. Step 5: Solve for x
    x = 8,551,573,118,408.45/3,515,505.60
  6. Step 6: Final answer
    x = 2,432,530.08

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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.