Home / 5,338,148.90-7,366,649.40-2,890,762.61

Finding the Fourth Proportional to 5,338,148.90, 7,366,649.40 and 2,890,762.61

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Solution

The fourth proportional to 5,338,148.90, 7,366,649.40 and 2,890,762.61 is: 3,989,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,148.90 : 7,366,649.40 = 2,890,762.61 : x
  2. Step 2: Convert to fraction form
    5,338,148.90/7,366,649.40 = 2,890,762.61/x
  3. Step 3: Cross multiply
    5,338,148.90x = 7,366,649.40 × 2,890,762.61
  4. Step 4: Simplify right side
    5,338,148.90x = 21,295,234,609,665.69
  5. Step 5: Solve for x
    x = 21,295,234,609,665.69/5,338,148.90
  6. Step 6: Final answer
    x = 3,989,254.52

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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.