Home / 6,434,390.84-9,651,578.10-1,642,080.21

Finding the Fourth Proportional to 6,434,390.84, 9,651,578.10 and 1,642,080.21

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Solution

The fourth proportional to 6,434,390.84, 9,651,578.10 and 1,642,080.21 is: 2,463,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434,390.84 : 9,651,578.10 = 1,642,080.21 : x
  2. Step 2: Convert to fraction form
    6,434,390.84/9,651,578.10 = 1,642,080.21/x
  3. Step 3: Cross multiply
    6,434,390.84x = 9,651,578.10 × 1,642,080.21
  4. Step 4: Simplify right side
    6,434,390.84x = 15,848,665,393,279.40
  5. Step 5: Solve for x
    x = 15,848,665,393,279.40/6,434,390.84
  6. Step 6: Final answer
    x = 2,463,118.23

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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.