Home / 5,173,959.40-7,760,939.10-1,628,103.40

Finding the Fourth Proportional to 5,173,959.40, 7,760,939.10 and 1,628,103.40

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Solution

The fourth proportional to 5,173,959.40, 7,760,939.10 and 1,628,103.40 is: 2,442,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,959.40 : 7,760,939.10 = 1,628,103.40 : x
  2. Step 2: Convert to fraction form
    5,173,959.40/7,760,939.10 = 1,628,103.40/x
  3. Step 3: Cross multiply
    5,173,959.40x = 7,760,939.10 × 1,628,103.40
  4. Step 4: Simplify right side
    5,173,959.40x = 12,635,611,335,902.94
  5. Step 5: Solve for x
    x = 12,635,611,335,902.94/5,173,959.40
  6. Step 6: Final answer
    x = 2,442,155.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.