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Finding the Fourth Proportional to 3,404,897.22, 4,698,789.86 and 1,877,059.02

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Solution

The fourth proportional to 3,404,897.22, 4,698,789.86 and 1,877,059.02 is: 2,590,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404,897.22 : 4,698,789.86 = 1,877,059.02 : x
  2. Step 2: Convert to fraction form
    3,404,897.22/4,698,789.86 = 1,877,059.02/x
  3. Step 3: Cross multiply
    3,404,897.22x = 4,698,789.86 × 1,877,059.02
  4. Step 4: Simplify right side
    3,404,897.22x = 8,819,905,889,797.54
  5. Step 5: Solve for x
    x = 8,819,905,889,797.54/3,404,897.22
  6. Step 6: Final answer
    x = 2,590,358.92

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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.