Home / 5,095,909.31-7,032,645.81-2,920,814.78

Finding the Fourth Proportional to 5,095,909.31, 7,032,645.81 and 2,920,814.78

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Solution

The fourth proportional to 5,095,909.31, 7,032,645.81 and 2,920,814.78 is: 4,030,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095,909.31 : 7,032,645.81 = 2,920,814.78 : x
  2. Step 2: Convert to fraction form
    5,095,909.31/7,032,645.81 = 2,920,814.78/x
  3. Step 3: Cross multiply
    5,095,909.31x = 7,032,645.81 × 2,920,814.78
  4. Step 4: Simplify right side
    5,095,909.31x = 20,541,055,789,189.84
  5. Step 5: Solve for x
    x = 20,541,055,789,189.84/5,095,909.31
  6. Step 6: Final answer
    x = 4,030,891.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.