Home / 3,438,415.20-5,155,808.40-1,163,157.60

Finding the Fourth Proportional to 3,438,415.20, 5,155,808.40 and 1,163,157.60

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Solution

The fourth proportional to 3,438,415.20, 5,155,808.40 and 1,163,157.60 is: 1,744,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,415.20 : 5,155,808.40 = 1,163,157.60 : x
  2. Step 2: Convert to fraction form
    3,438,415.20/5,155,808.40 = 1,163,157.60/x
  3. Step 3: Cross multiply
    3,438,415.20x = 5,155,808.40 × 1,163,157.60
  4. Step 4: Simplify right side
    3,438,415.20x = 5,997,017,724,603.84
  5. Step 5: Solve for x
    x = 5,997,017,724,603.84/3,438,415.20
  6. Step 6: Final answer
    x = 1,744,122.62

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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.