Home / 3,554,429.40-5,323,770.90-1,423,416.60

Finding the Fourth Proportional to 3,554,429.40, 5,323,770.90 and 1,423,416.60

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Solution

The fourth proportional to 3,554,429.40, 5,323,770.90 and 1,423,416.60 is: 2,131,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554,429.40 : 5,323,770.90 = 1,423,416.60 : x
  2. Step 2: Convert to fraction form
    3,554,429.40/5,323,770.90 = 1,423,416.60/x
  3. Step 3: Cross multiply
    3,554,429.40x = 5,323,770.90 × 1,423,416.60
  4. Step 4: Simplify right side
    3,554,429.40x = 7,577,943,873,656.94
  5. Step 5: Solve for x
    x = 7,577,943,873,656.94/3,554,429.40
  6. Step 6: Final answer
    x = 2,131,971.98

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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.