Home / 3,065,136.84-4,230,221.16-1,688,621.64

Finding the Fourth Proportional to 3,065,136.84, 4,230,221.16 and 1,688,621.64

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Solution

The fourth proportional to 3,065,136.84, 4,230,221.16 and 1,688,621.64 is: 2,330,480.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065,136.84 : 4,230,221.16 = 1,688,621.64 : x
  2. Step 2: Convert to fraction form
    3,065,136.84/4,230,221.16 = 1,688,621.64/x
  3. Step 3: Cross multiply
    3,065,136.84x = 4,230,221.16 × 1,688,621.64
  4. Step 4: Simplify right side
    3,065,136.84x = 7,143,242,992,761.90
  5. Step 5: Solve for x
    x = 7,143,242,992,761.90/3,065,136.84
  6. Step 6: Final answer
    x = 2,330,480.94

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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.