Home / 3,631,020.21-5,010,807.87-1,999,423.67

Finding the Fourth Proportional to 3,631,020.21, 5,010,807.87 and 1,999,423.67

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Solution

The fourth proportional to 3,631,020.21, 5,010,807.87 and 1,999,423.67 is: 2,759,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,020.21 : 5,010,807.87 = 1,999,423.67 : x
  2. Step 2: Convert to fraction form
    3,631,020.21/5,010,807.87 = 1,999,423.67/x
  3. Step 3: Cross multiply
    3,631,020.21x = 5,010,807.87 × 1,999,423.67
  4. Step 4: Simplify right side
    3,631,020.21x = 10,018,727,836,046.24
  5. Step 5: Solve for x
    x = 10,018,727,836,046.24/3,631,020.21
  6. Step 6: Final answer
    x = 2,759,204.65

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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.