Home / 2,156,858.04-2,989,046.52-2,126,415

Finding the Fourth Proportional to 2,156,858.04, 2,989,046.52 and 2,126,415

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Solution

The fourth proportional to 2,156,858.04, 2,989,046.52 and 2,126,415 is: 2,946,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,858.04 : 2,989,046.52 = 2,126,415 : x
  2. Step 2: Convert to fraction form
    2,156,858.04/2,989,046.52 = 2,126,415/x
  3. Step 3: Cross multiply
    2,156,858.04x = 2,989,046.52 × 2,126,415
  4. Step 4: Simplify right side
    2,156,858.04x = 6,355,953,355,825.80
  5. Step 5: Solve for x
    x = 6,355,953,355,825.80/2,156,858.04
  6. Step 6: Final answer
    x = 2,946,857.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.