Home / 1,881,817.55-2,822,728.53-515,602.82

Finding the Fourth Proportional to 1,881,817.55, 2,822,728.53 and 515,602.82

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Solution

The fourth proportional to 1,881,817.55, 2,822,728.53 and 515,602.82 is: 773,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,817.55 : 2,822,728.53 = 515,602.82 : x
  2. Step 2: Convert to fraction form
    1,881,817.55/2,822,728.53 = 515,602.82/x
  3. Step 3: Cross multiply
    1,881,817.55x = 2,822,728.53 × 515,602.82
  4. Step 4: Simplify right side
    1,881,817.55x = 1,455,406,790,162.45
  5. Step 5: Solve for x
    x = 1,455,406,790,162.45/1,881,817.55
  6. Step 6: Final answer
    x = 773,404.83

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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.