Home / 1,900,130.72-2,622,198.87-1,136,184.28

Finding the Fourth Proportional to 1,900,130.72, 2,622,198.87 and 1,136,184.28

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Solution

The fourth proportional to 1,900,130.72, 2,622,198.87 and 1,136,184.28 is: 1,567,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,130.72 : 2,622,198.87 = 1,136,184.28 : x
  2. Step 2: Convert to fraction form
    1,900,130.72/2,622,198.87 = 1,136,184.28/x
  3. Step 3: Cross multiply
    1,900,130.72x = 2,622,198.87 × 1,136,184.28
  4. Step 4: Simplify right side
    1,900,130.72x = 2,979,301,135,127.76
  5. Step 5: Solve for x
    x = 2,979,301,135,127.76/1,900,130.72
  6. Step 6: Final answer
    x = 1,567,945.35

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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.