Home / 1,997,136-2,756,047.68-1,091,724.48

Finding the Fourth Proportional to 1,997,136, 2,756,047.68 and 1,091,724.48

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Solution

The fourth proportional to 1,997,136, 2,756,047.68 and 1,091,724.48 is: 1,506,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,136 : 2,756,047.68 = 1,091,724.48 : x
  2. Step 2: Convert to fraction form
    1,997,136/2,756,047.68 = 1,091,724.48/x
  3. Step 3: Cross multiply
    1,997,136x = 2,756,047.68 × 1,091,724.48
  4. Step 4: Simplify right side
    1,997,136x = 3,008,844,720,303.21
  5. Step 5: Solve for x
    x = 3,008,844,720,303.21/1,997,136
  6. Step 6: Final answer
    x = 1,506,579.78

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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.