Home / 1,580,545-2,181,186.66-865,153

Finding the Fourth Proportional to 1,580,545, 2,181,186.66 and 865,153

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Solution

The fourth proportional to 1,580,545, 2,181,186.66 and 865,153 is: 1,193,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,545 : 2,181,186.66 = 865,153 : x
  2. Step 2: Convert to fraction form
    1,580,545/2,181,186.66 = 865,153/x
  3. Step 3: Cross multiply
    1,580,545x = 2,181,186.66 × 865,153
  4. Step 4: Simplify right side
    1,580,545x = 1,887,060,182,458.98
  5. Step 5: Solve for x
    x = 1,887,060,182,458.98/1,580,545
  6. Step 6: Final answer
    x = 1,193,930.06

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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.