Home / 2,102,056.56-2,900,838.04-1,135,186.78

Finding the Fourth Proportional to 2,102,056.56, 2,900,838.04 and 1,135,186.78

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Solution

The fourth proportional to 2,102,056.56, 2,900,838.04 and 1,135,186.78 is: 1,566,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,056.56 : 2,900,838.04 = 1,135,186.78 : x
  2. Step 2: Convert to fraction form
    2,102,056.56/2,900,838.04 = 1,135,186.78/x
  3. Step 3: Cross multiply
    2,102,056.56x = 2,900,838.04 × 1,135,186.78
  4. Step 4: Simplify right side
    2,102,056.56x = 3,292,992,993,929.11
  5. Step 5: Solve for x
    x = 3,292,992,993,929.11/2,102,056.56
  6. Step 6: Final answer
    x = 1,566,557.75

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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.