Home / 2,555,019.74-3,527,107.93-1,575,133.87

Finding the Fourth Proportional to 2,555,019.74, 3,527,107.93 and 1,575,133.87

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Solution

The fourth proportional to 2,555,019.74, 3,527,107.93 and 1,575,133.87 is: 2,174,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555,019.74 : 3,527,107.93 = 1,575,133.87 : x
  2. Step 2: Convert to fraction form
    2,555,019.74/3,527,107.93 = 1,575,133.87/x
  3. Step 3: Cross multiply
    2,555,019.74x = 3,527,107.93 × 1,575,133.87
  4. Step 4: Simplify right side
    2,555,019.74x = 5,555,667,171,157.94
  5. Step 5: Solve for x
    x = 5,555,667,171,157.94/2,555,019.74
  6. Step 6: Final answer
    x = 2,174,412.62

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1.5x scale

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.