Home / 2,090,769.24-2,885,556.47-1,219,891.26

Finding the Fourth Proportional to 2,090,769.24, 2,885,556.47 and 1,219,891.26

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Solution

The fourth proportional to 2,090,769.24, 2,885,556.47 and 1,219,891.26 is: 1,683,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,769.24 : 2,885,556.47 = 1,219,891.26 : x
  2. Step 2: Convert to fraction form
    2,090,769.24/2,885,556.47 = 1,219,891.26/x
  3. Step 3: Cross multiply
    2,090,769.24x = 2,885,556.47 × 1,219,891.26
  4. Step 4: Simplify right side
    2,090,769.24x = 3,520,065,111,890.00
  5. Step 5: Solve for x
    x = 3,520,065,111,890.00/2,090,769.24
  6. Step 6: Final answer
    x = 1,683,622.01

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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.