Home / 1,778,592.59-2,666,393.78-1,440,795.56

Finding the Fourth Proportional to 1,778,592.59, 2,666,393.78 and 1,440,795.56

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Solution

The fourth proportional to 1,778,592.59, 2,666,393.78 and 1,440,795.56 is: 2,159,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,592.59 : 2,666,393.78 = 1,440,795.56 : x
  2. Step 2: Convert to fraction form
    1,778,592.59/2,666,393.78 = 1,440,795.56/x
  3. Step 3: Cross multiply
    1,778,592.59x = 2,666,393.78 × 1,440,795.56
  4. Step 4: Simplify right side
    1,778,592.59x = 3,841,728,319,435.62
  5. Step 5: Solve for x
    x = 3,841,728,319,435.62/1,778,592.59
  6. Step 6: Final answer
    x = 2,159,982.20

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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.