Home / 6,390,809.28-8,819,376.48-3,637,361.60

Finding the Fourth Proportional to 6,390,809.28, 8,819,376.48 and 3,637,361.60

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Solution

The fourth proportional to 6,390,809.28, 8,819,376.48 and 3,637,361.60 is: 5,019,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,809.28 : 8,819,376.48 = 3,637,361.60 : x
  2. Step 2: Convert to fraction form
    6,390,809.28/8,819,376.48 = 3,637,361.60/x
  3. Step 3: Cross multiply
    6,390,809.28x = 8,819,376.48 × 3,637,361.60
  4. Step 4: Simplify right side
    6,390,809.28x = 32,079,261,344,295.17
  5. Step 5: Solve for x
    x = 32,079,261,344,295.17/6,390,809.28
  6. Step 6: Final answer
    x = 5,019,592.97

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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.