Home / 3,215,369.47-4,437,095.06-1,819,901.15

Finding the Fourth Proportional to 3,215,369.47, 4,437,095.06 and 1,819,901.15

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Solution

The fourth proportional to 3,215,369.47, 4,437,095.06 and 1,819,901.15 is: 2,511,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,369.47 : 4,437,095.06 = 1,819,901.15 : x
  2. Step 2: Convert to fraction form
    3,215,369.47/4,437,095.06 = 1,819,901.15/x
  3. Step 3: Cross multiply
    3,215,369.47x = 4,437,095.06 × 1,819,901.15
  4. Step 4: Simplify right side
    3,215,369.47x = 8,075,074,422,635.43
  5. Step 5: Solve for x
    x = 8,075,074,422,635.43/3,215,369.47
  6. Step 6: Final answer
    x = 2,511,398.61

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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.