Home / 1,905,921.78-2,630,153.88-1,046,474.52

Finding the Fourth Proportional to 1,905,921.78, 2,630,153.88 and 1,046,474.52

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Solution

The fourth proportional to 1,905,921.78, 2,630,153.88 and 1,046,474.52 is: 1,444,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,921.78 : 2,630,153.88 = 1,046,474.52 : x
  2. Step 2: Convert to fraction form
    1,905,921.78/2,630,153.88 = 1,046,474.52/x
  3. Step 3: Cross multiply
    1,905,921.78x = 2,630,153.88 × 1,046,474.52
  4. Step 4: Simplify right side
    1,905,921.78x = 2,752,389,019,099.14
  5. Step 5: Solve for x
    x = 2,752,389,019,099.14/1,905,921.78
  6. Step 6: Final answer
    x = 1,444,124.86

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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.