Home / 6,900,489.84-9,522,740.34-3,803,123.82

Finding the Fourth Proportional to 6,900,489.84, 9,522,740.34 and 3,803,123.82

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Solution

The fourth proportional to 6,900,489.84, 9,522,740.34 and 3,803,123.82 is: 5,248,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900,489.84 : 9,522,740.34 = 3,803,123.82 : x
  2. Step 2: Convert to fraction form
    6,900,489.84/9,522,740.34 = 3,803,123.82/x
  3. Step 3: Cross multiply
    6,900,489.84x = 9,522,740.34 × 3,803,123.82
  4. Step 4: Simplify right side
    6,900,489.84x = 36,216,160,618,728.90
  5. Step 5: Solve for x
    x = 36,216,160,618,728.90/6,900,489.84
  6. Step 6: Final answer
    x = 5,248,346.34

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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.