Home / 3,260,136.40-4,890,180.30-985,656.40

Finding the Fourth Proportional to 3,260,136.40, 4,890,180.30 and 985,656.40

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Solution

The fourth proportional to 3,260,136.40, 4,890,180.30 and 985,656.40 is: 1,478,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,136.40 : 4,890,180.30 = 985,656.40 : x
  2. Step 2: Convert to fraction form
    3,260,136.40/4,890,180.30 = 985,656.40/x
  3. Step 3: Cross multiply
    3,260,136.40x = 4,890,180.30 × 985,656.40
  4. Step 4: Simplify right side
    3,260,136.40x = 4,820,037,509,848.92
  5. Step 5: Solve for x
    x = 4,820,037,509,848.92/3,260,136.40
  6. Step 6: Final answer
    x = 1,478,477.25

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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.