Home / 5,473,431.80-8,209,370.10-1,687,297.40

Finding the Fourth Proportional to 5,473,431.80, 8,209,370.10 and 1,687,297.40

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Solution

The fourth proportional to 5,473,431.80, 8,209,370.10 and 1,687,297.40 is: 2,530,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473,431.80 : 8,209,370.10 = 1,687,297.40 : x
  2. Step 2: Convert to fraction form
    5,473,431.80/8,209,370.10 = 1,687,297.40/x
  3. Step 3: Cross multiply
    5,473,431.80x = 8,209,370.10 × 1,687,297.40
  4. Step 4: Simplify right side
    5,473,431.80x = 13,851,648,825,367.74
  5. Step 5: Solve for x
    x = 13,851,648,825,367.74/5,473,431.80
  6. Step 6: Final answer
    x = 2,530,706.39

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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.