Home / 2,091,206.55-3,136,809.83-1,618,231.35

Finding the Fourth Proportional to 2,091,206.55, 3,136,809.83 and 1,618,231.35

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Solution

The fourth proportional to 2,091,206.55, 3,136,809.83 and 1,618,231.35 is: 2,427,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,206.55 : 3,136,809.83 = 1,618,231.35 : x
  2. Step 2: Convert to fraction form
    2,091,206.55/3,136,809.83 = 1,618,231.35/x
  3. Step 3: Cross multiply
    2,091,206.55x = 3,136,809.83 × 1,618,231.35
  4. Step 4: Simplify right side
    2,091,206.55x = 5,076,083,997,803.01
  5. Step 5: Solve for x
    x = 5,076,083,997,803.01/2,091,206.55
  6. Step 6: Final answer
    x = 2,427,347.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.