Home / 3,438,303.80-5,157,455.70-1,042,028.60

Finding the Fourth Proportional to 3,438,303.80, 5,157,455.70 and 1,042,028.60

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Solution

The fourth proportional to 3,438,303.80, 5,157,455.70 and 1,042,028.60 is: 1,563,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,303.80 : 5,157,455.70 = 1,042,028.60 : x
  2. Step 2: Convert to fraction form
    3,438,303.80/5,157,455.70 = 1,042,028.60/x
  3. Step 3: Cross multiply
    3,438,303.80x = 5,157,455.70 × 1,042,028.60
  4. Step 4: Simplify right side
    3,438,303.80x = 5,374,216,342,633.02
  5. Step 5: Solve for x
    x = 5,374,216,342,633.02/3,438,303.80
  6. Step 6: Final answer
    x = 1,563,042.90

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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.