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Finding the Fourth Proportional to 6,999,750.40, 10,500,500.40 and 2,739,367.84

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Solution

The fourth proportional to 6,999,750.40, 10,500,500.40 and 2,739,367.84 is: 4,109,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999,750.40 : 10,500,500.40 = 2,739,367.84 : x
  2. Step 2: Convert to fraction form
    6,999,750.40/10,500,500.40 = 2,739,367.84/x
  3. Step 3: Cross multiply
    6,999,750.40x = 10,500,500.40 × 2,739,367.84
  4. Step 4: Simplify right side
    6,999,750.40x = 28,764,733,099,667.14
  5. Step 5: Solve for x
    x = 28,764,733,099,667.14/6,999,750.40
  6. Step 6: Final answer
    x = 4,109,394.11

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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.