Home / 5,430,928-8,147,441.04-2,064,873.28

Finding the Fourth Proportional to 5,430,928, 8,147,441.04 and 2,064,873.28

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Solution

The fourth proportional to 5,430,928, 8,147,441.04 and 2,064,873.28 is: 3,097,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,928 : 8,147,441.04 = 2,064,873.28 : x
  2. Step 2: Convert to fraction form
    5,430,928/8,147,441.04 = 2,064,873.28/x
  3. Step 3: Cross multiply
    5,430,928x = 8,147,441.04 × 2,064,873.28
  4. Step 4: Simplify right side
    5,430,928x = 16,823,433,303,871.41
  5. Step 5: Solve for x
    x = 16,823,433,303,871.41/5,430,928
  6. Step 6: Final answer
    x = 3,097,708.77

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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.