Home / 6,931,926.72-10,393,887.78-2,138,328.90

Finding the Fourth Proportional to 6,931,926.72, 10,393,887.78 and 2,138,328.90

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Solution

The fourth proportional to 6,931,926.72, 10,393,887.78 and 2,138,328.90 is: 3,206,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,926.72 : 10,393,887.78 = 2,138,328.90 : x
  2. Step 2: Convert to fraction form
    6,931,926.72/10,393,887.78 = 2,138,328.90/x
  3. Step 3: Cross multiply
    6,931,926.72x = 10,393,887.78 × 2,138,328.90
  4. Step 4: Simplify right side
    6,931,926.72x = 22,225,550,623,330.84
  5. Step 5: Solve for x
    x = 22,225,550,623,330.84/6,931,926.72
  6. Step 6: Final answer
    x = 3,206,258.74

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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.