Home / 3,717,520.56-5,575,017.58-1,288,106.87

Finding the Fourth Proportional to 3,717,520.56, 5,575,017.58 and 1,288,106.87

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Solution

The fourth proportional to 3,717,520.56, 5,575,017.58 and 1,288,106.87 is: 1,931,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717,520.56 : 5,575,017.58 = 1,288,106.87 : x
  2. Step 2: Convert to fraction form
    3,717,520.56/5,575,017.58 = 1,288,106.87/x
  3. Step 3: Cross multiply
    3,717,520.56x = 5,575,017.58 × 1,288,106.87
  4. Step 4: Simplify right side
    3,717,520.56x = 7,181,218,458,301.25
  5. Step 5: Solve for x
    x = 7,181,218,458,301.25/3,717,520.56
  6. Step 6: Final answer
    x = 1,931,722.59

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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.