Home / 5,134,281.84-7,085,039.31-2,810,728.80

Finding the Fourth Proportional to 5,134,281.84, 7,085,039.31 and 2,810,728.80

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Solution

The fourth proportional to 5,134,281.84, 7,085,039.31 and 2,810,728.80 is: 3,878,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,281.84 : 7,085,039.31 = 2,810,728.80 : x
  2. Step 2: Convert to fraction form
    5,134,281.84/7,085,039.31 = 2,810,728.80/x
  3. Step 3: Cross multiply
    5,134,281.84x = 7,085,039.31 × 2,810,728.80
  4. Step 4: Simplify right side
    5,134,281.84x = 19,914,124,037,749.12
  5. Step 5: Solve for x
    x = 19,914,124,037,749.12/5,134,281.84
  6. Step 6: Final answer
    x = 3,878,658.14

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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.