Home / 2,900,710.88-4,002,985.68-1,611,552.72

Finding the Fourth Proportional to 2,900,710.88, 4,002,985.68 and 1,611,552.72

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Solution

The fourth proportional to 2,900,710.88, 4,002,985.68 and 1,611,552.72 is: 2,223,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,710.88 : 4,002,985.68 = 1,611,552.72 : x
  2. Step 2: Convert to fraction form
    2,900,710.88/4,002,985.68 = 1,611,552.72/x
  3. Step 3: Cross multiply
    2,900,710.88x = 4,002,985.68 × 1,611,552.72
  4. Step 4: Simplify right side
    2,900,710.88x = 6,451,022,460,725.05
  5. Step 5: Solve for x
    x = 6,451,022,460,725.05/2,900,710.88
  6. Step 6: Final answer
    x = 2,223,945.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.