Home / 6,890,869.45-10,335,515.48-1,842,573.61

Finding the Fourth Proportional to 6,890,869.45, 10,335,515.48 and 1,842,573.61

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Solution

The fourth proportional to 6,890,869.45, 10,335,515.48 and 1,842,573.61 is: 2,763,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890,869.45 : 10,335,515.48 = 1,842,573.61 : x
  2. Step 2: Convert to fraction form
    6,890,869.45/10,335,515.48 = 1,842,573.61/x
  3. Step 3: Cross multiply
    6,890,869.45x = 10,335,515.48 × 1,842,573.61
  4. Step 4: Simplify right side
    6,890,869.45x = 19,043,948,034,142.82
  5. Step 5: Solve for x
    x = 19,043,948,034,142.82/6,890,869.45
  6. Step 6: Final answer
    x = 2,763,649.52

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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.