Home / 2,474,921.90-3,709,430.40-2,221,011.20

Finding the Fourth Proportional to 2,474,921.90, 3,709,430.40 and 2,221,011.20

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Solution

The fourth proportional to 2,474,921.90, 3,709,430.40 and 2,221,011.20 is: 3,328,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474,921.90 : 3,709,430.40 = 2,221,011.20 : x
  2. Step 2: Convert to fraction form
    2,474,921.90/3,709,430.40 = 2,221,011.20/x
  3. Step 3: Cross multiply
    2,474,921.90x = 3,709,430.40 × 2,221,011.20
  4. Step 4: Simplify right side
    2,474,921.90x = 8,238,686,464,020.48
  5. Step 5: Solve for x
    x = 8,238,686,464,020.48/2,474,921.90
  6. Step 6: Final answer
    x = 3,328,867.25

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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.