Home / 3,999,801.60-5,519,681.28-2,188,944

Finding the Fourth Proportional to 3,999,801.60, 5,519,681.28 and 2,188,944

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Solution

The fourth proportional to 3,999,801.60, 5,519,681.28 and 2,188,944 is: 3,020,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,801.60 : 5,519,681.28 = 2,188,944 : x
  2. Step 2: Convert to fraction form
    3,999,801.60/5,519,681.28 = 2,188,944/x
  3. Step 3: Cross multiply
    3,999,801.60x = 5,519,681.28 × 2,188,944
  4. Step 4: Simplify right side
    3,999,801.60x = 12,082,273,219,768.32
  5. Step 5: Solve for x
    x = 12,082,273,219,768.32/3,999,801.60
  6. Step 6: Final answer
    x = 3,020,718.13

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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.