Home / 1,918,935.06-2,648,171.70-1,059,549.72

Finding the Fourth Proportional to 1,918,935.06, 2,648,171.70 and 1,059,549.72

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Solution

The fourth proportional to 1,918,935.06, 2,648,171.70 and 1,059,549.72 is: 1,462,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,935.06 : 2,648,171.70 = 1,059,549.72 : x
  2. Step 2: Convert to fraction form
    1,918,935.06/2,648,171.70 = 1,059,549.72/x
  3. Step 3: Cross multiply
    1,918,935.06x = 2,648,171.70 × 1,059,549.72
  4. Step 4: Simplify right side
    1,918,935.06x = 2,805,869,583,246.92
  5. Step 5: Solve for x
    x = 2,805,869,583,246.92/1,918,935.06
  6. Step 6: Final answer
    x = 1,462,201.43

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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.