Home / 1,918,908.90-2,648,135.57-1,059,523.47

Finding the Fourth Proportional to 1,918,908.90, 2,648,135.57 and 1,059,523.47

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Solution

The fourth proportional to 1,918,908.90, 2,648,135.57 and 1,059,523.47 is: 1,462,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,908.90 : 2,648,135.57 = 1,059,523.47 : x
  2. Step 2: Convert to fraction form
    1,918,908.90/2,648,135.57 = 1,059,523.47/x
  3. Step 3: Cross multiply
    1,918,908.90x = 2,648,135.57 × 1,059,523.47
  4. Step 4: Simplify right side
    1,918,908.90x = 2,805,761,782,859.21
  5. Step 5: Solve for x
    x = 2,805,761,782,859.21/1,918,908.90
  6. Step 6: Final answer
    x = 1,462,165.18

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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.