Home / 2,153,936.56-2,972,298.88-1,187,012.84

Finding the Fourth Proportional to 2,153,936.56, 2,972,298.88 and 1,187,012.84

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Solution

The fourth proportional to 2,153,936.56, 2,972,298.88 and 1,187,012.84 is: 1,638,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,936.56 : 2,972,298.88 = 1,187,012.84 : x
  2. Step 2: Convert to fraction form
    2,153,936.56/2,972,298.88 = 1,187,012.84/x
  3. Step 3: Cross multiply
    2,153,936.56x = 2,972,298.88 × 1,187,012.84
  4. Step 4: Simplify right side
    2,153,936.56x = 3,528,156,934,877.62
  5. Step 5: Solve for x
    x = 3,528,156,934,877.62/2,153,936.56
  6. Step 6: Final answer
    x = 1,638,004.11

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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.