Home / 2,891,553.60-3,990,367.20-1,602,415.20

Finding the Fourth Proportional to 2,891,553.60, 3,990,367.20 and 1,602,415.20

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Solution

The fourth proportional to 2,891,553.60, 3,990,367.20 and 1,602,415.20 is: 2,211,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,553.60 : 3,990,367.20 = 1,602,415.20 : x
  2. Step 2: Convert to fraction form
    2,891,553.60/3,990,367.20 = 1,602,415.20/x
  3. Step 3: Cross multiply
    2,891,553.60x = 3,990,367.20 × 1,602,415.20
  4. Step 4: Simplify right side
    2,891,553.60x = 6,394,225,054,861.44
  5. Step 5: Solve for x
    x = 6,394,225,054,861.44/2,891,553.60
  6. Step 6: Final answer
    x = 2,211,345.85

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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.