Home / 5,645,715.84-8,468,739.72-1,385,883.90

Finding the Fourth Proportional to 5,645,715.84, 8,468,739.72 and 1,385,883.90

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Solution

The fourth proportional to 5,645,715.84, 8,468,739.72 and 1,385,883.90 is: 2,078,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645,715.84 : 8,468,739.72 = 1,385,883.90 : x
  2. Step 2: Convert to fraction form
    5,645,715.84/8,468,739.72 = 1,385,883.90/x
  3. Step 3: Cross multiply
    5,645,715.84x = 8,468,739.72 × 1,385,883.90
  4. Step 4: Simplify right side
    5,645,715.84x = 11,736,690,031,238.51
  5. Step 5: Solve for x
    x = 11,736,690,031,238.51/5,645,715.84
  6. Step 6: Final answer
    x = 2,078,866.59

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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.