Home / 2,191,429.62-3,024,114.75-1,224,567.81

Finding the Fourth Proportional to 2,191,429.62, 3,024,114.75 and 1,224,567.81

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Solution

The fourth proportional to 2,191,429.62, 3,024,114.75 and 1,224,567.81 is: 1,689,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,429.62 : 3,024,114.75 = 1,224,567.81 : x
  2. Step 2: Convert to fraction form
    2,191,429.62/3,024,114.75 = 1,224,567.81/x
  3. Step 3: Cross multiply
    2,191,429.62x = 3,024,114.75 × 1,224,567.81
  4. Step 4: Simplify right side
    2,191,429.62x = 3,703,233,576,596.20
  5. Step 5: Solve for x
    x = 3,703,233,576,596.20/2,191,429.62
  6. Step 6: Final answer
    x = 1,689,871.10

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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.