Home / 1,891,080.57-2,609,489.96-1,064,139.69

Finding the Fourth Proportional to 1,891,080.57, 2,609,489.96 and 1,064,139.69

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Solution

The fourth proportional to 1,891,080.57, 2,609,489.96 and 1,064,139.69 is: 1,468,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,080.57 : 2,609,489.96 = 1,064,139.69 : x
  2. Step 2: Convert to fraction form
    1,891,080.57/2,609,489.96 = 1,064,139.69/x
  3. Step 3: Cross multiply
    1,891,080.57x = 2,609,489.96 × 1,064,139.69
  4. Step 4: Simplify right side
    1,891,080.57x = 2,776,861,831,771.81
  5. Step 5: Solve for x
    x = 2,776,861,831,771.81/1,891,080.57
  6. Step 6: Final answer
    x = 1,468,399.54

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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.