Home / 5,095,877.28-7,643,815.80-1,857,657.72

Finding the Fourth Proportional to 5,095,877.28, 7,643,815.80 and 1,857,657.72

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Solution

The fourth proportional to 5,095,877.28, 7,643,815.80 and 1,857,657.72 is: 2,786,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095,877.28 : 7,643,815.80 = 1,857,657.72 : x
  2. Step 2: Convert to fraction form
    5,095,877.28/7,643,815.80 = 1,857,657.72/x
  3. Step 3: Cross multiply
    5,095,877.28x = 7,643,815.80 × 1,857,657.72
  4. Step 4: Simplify right side
    5,095,877.28x = 14,199,593,431,127.97
  5. Step 5: Solve for x
    x = 14,199,593,431,127.97/5,095,877.28
  6. Step 6: Final answer
    x = 2,786,486.54

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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.