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Finding the Fourth Proportional to 4,894,837.86, 7,342,258.14 and 1,820,427.01

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Solution

The fourth proportional to 4,894,837.86, 7,342,258.14 and 1,820,427.01 is: 2,730,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894,837.86 : 7,342,258.14 = 1,820,427.01 : x
  2. Step 2: Convert to fraction form
    4,894,837.86/7,342,258.14 = 1,820,427.01/x
  3. Step 3: Cross multiply
    4,894,837.86x = 7,342,258.14 × 1,820,427.01
  4. Step 4: Simplify right side
    4,894,837.86x = 13,366,045,014,092.72
  5. Step 5: Solve for x
    x = 13,366,045,014,092.72/4,894,837.86
  6. Step 6: Final answer
    x = 2,730,641.01

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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.