Home / 3,291,405.60-4,937,108.40-1,611,789.60

Finding the Fourth Proportional to 3,291,405.60, 4,937,108.40 and 1,611,789.60

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Solution

The fourth proportional to 3,291,405.60, 4,937,108.40 and 1,611,789.60 is: 2,417,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,405.60 : 4,937,108.40 = 1,611,789.60 : x
  2. Step 2: Convert to fraction form
    3,291,405.60/4,937,108.40 = 1,611,789.60/x
  3. Step 3: Cross multiply
    3,291,405.60x = 4,937,108.40 × 1,611,789.60
  4. Step 4: Simplify right side
    3,291,405.60x = 7,957,579,973,192.64
  5. Step 5: Solve for x
    x = 7,957,579,973,192.64/3,291,405.60
  6. Step 6: Final answer
    x = 2,417,684.40

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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.