Home / 6,439,808.20-9,659,712.30-2,900,864.20

Finding the Fourth Proportional to 6,439,808.20, 9,659,712.30 and 2,900,864.20

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Solution

The fourth proportional to 6,439,808.20, 9,659,712.30 and 2,900,864.20 is: 4,351,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,808.20 : 9,659,712.30 = 2,900,864.20 : x
  2. Step 2: Convert to fraction form
    6,439,808.20/9,659,712.30 = 2,900,864.20/x
  3. Step 3: Cross multiply
    6,439,808.20x = 9,659,712.30 × 2,900,864.20
  4. Step 4: Simplify right side
    6,439,808.20x = 28,021,513,593,369.66
  5. Step 5: Solve for x
    x = 28,021,513,593,369.66/6,439,808.20
  6. Step 6: Final answer
    x = 4,351,296.30

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1.5x scale

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.