Home / 1,817,154-2,507,724.36-1,012,389.84

Finding the Fourth Proportional to 1,817,154, 2,507,724.36 and 1,012,389.84

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Solution

The fourth proportional to 1,817,154, 2,507,724.36 and 1,012,389.84 is: 1,397,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,154 : 2,507,724.36 = 1,012,389.84 : x
  2. Step 2: Convert to fraction form
    1,817,154/2,507,724.36 = 1,012,389.84/x
  3. Step 3: Cross multiply
    1,817,154x = 2,507,724.36 × 1,012,389.84
  4. Step 4: Simplify right side
    1,817,154x = 2,538,794,663,584.50
  5. Step 5: Solve for x
    x = 2,538,794,663,584.50/1,817,154
  6. Step 6: Final answer
    x = 1,397,126.86

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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.