Home / 1,959,084.60-2,934,998.10-1,115,129.40

Finding the Fourth Proportional to 1,959,084.60, 2,934,998.10 and 1,115,129.40

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Solution

The fourth proportional to 1,959,084.60, 2,934,998.10 and 1,115,129.40 is: 1,670,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,084.60 : 2,934,998.10 = 1,115,129.40 : x
  2. Step 2: Convert to fraction form
    1,959,084.60/2,934,998.10 = 1,115,129.40/x
  3. Step 3: Cross multiply
    1,959,084.60x = 2,934,998.10 × 1,115,129.40
  4. Step 4: Simplify right side
    1,959,084.60x = 3,272,902,670,254.14
  5. Step 5: Solve for x
    x = 3,272,902,670,254.14/1,959,084.60
  6. Step 6: Final answer
    x = 1,670,628.55

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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.