Home / 3,148,981.60-4,723,933.20-1,653,186.40

Finding the Fourth Proportional to 3,148,981.60, 4,723,933.20 and 1,653,186.40

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Solution

The fourth proportional to 3,148,981.60, 4,723,933.20 and 1,653,186.40 is: 2,480,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,981.60 : 4,723,933.20 = 1,653,186.40 : x
  2. Step 2: Convert to fraction form
    3,148,981.60/4,723,933.20 = 1,653,186.40/x
  3. Step 3: Cross multiply
    3,148,981.60x = 4,723,933.20 × 1,653,186.40
  4. Step 4: Simplify right side
    3,148,981.60x = 7,809,542,120,748.48
  5. Step 5: Solve for x
    x = 7,809,542,120,748.48/3,148,981.60
  6. Step 6: Final answer
    x = 2,480,021.52

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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.