Home / 3,143,194.88-4,340,902.12-2,165,675.60

Finding the Fourth Proportional to 3,143,194.88, 4,340,902.12 and 2,165,675.60

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Solution

The fourth proportional to 3,143,194.88, 4,340,902.12 and 2,165,675.60 is: 2,990,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,194.88 : 4,340,902.12 = 2,165,675.60 : x
  2. Step 2: Convert to fraction form
    3,143,194.88/4,340,902.12 = 2,165,675.60/x
  3. Step 3: Cross multiply
    3,143,194.88x = 4,340,902.12 × 2,165,675.60
  4. Step 4: Simplify right side
    3,143,194.88x = 9,400,985,808,710.34
  5. Step 5: Solve for x
    x = 9,400,985,808,710.34/3,143,194.88
  6. Step 6: Final answer
    x = 2,990,901.35

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1.5x scale

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.