Home / 1,918,912.65-2,648,140.74-1,059,527.22

Finding the Fourth Proportional to 1,918,912.65, 2,648,140.74 and 1,059,527.22

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Solution

The fourth proportional to 1,918,912.65, 2,648,140.74 and 1,059,527.22 is: 1,462,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,912.65 : 2,648,140.74 = 1,059,527.22 : x
  2. Step 2: Convert to fraction form
    1,918,912.65/2,648,140.74 = 1,059,527.22/x
  3. Step 3: Cross multiply
    1,918,912.65x = 2,648,140.74 × 1,059,527.22
  4. Step 4: Simplify right side
    1,918,912.65x = 2,805,777,196,420.94
  5. Step 5: Solve for x
    x = 2,805,777,196,420.94/1,918,912.65
  6. Step 6: Final answer
    x = 1,462,170.36

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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.