Home / 1,549,457.76-2,138,243.62-851,754.82

Finding the Fourth Proportional to 1,549,457.76, 2,138,243.62 and 851,754.82

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Solution

The fourth proportional to 1,549,457.76, 2,138,243.62 and 851,754.82 is: 1,175,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,457.76 : 2,138,243.62 = 851,754.82 : x
  2. Step 2: Convert to fraction form
    1,549,457.76/2,138,243.62 = 851,754.82/x
  3. Step 3: Cross multiply
    1,549,457.76x = 2,138,243.62 × 851,754.82
  4. Step 4: Simplify right side
    1,549,457.76x = 1,821,259,309,669.25
  5. Step 5: Solve for x
    x = 1,821,259,309,669.25/1,549,457.76
  6. Step 6: Final answer
    x = 1,175,417.21

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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.