Home / 3,118,309.53-4,302,059.49-1,828,679.37

Finding the Fourth Proportional to 3,118,309.53, 4,302,059.49 and 1,828,679.37

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Solution

The fourth proportional to 3,118,309.53, 4,302,059.49 and 1,828,679.37 is: 2,522,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,309.53 : 4,302,059.49 = 1,828,679.37 : x
  2. Step 2: Convert to fraction form
    3,118,309.53/4,302,059.49 = 1,828,679.37/x
  3. Step 3: Cross multiply
    3,118,309.53x = 4,302,059.49 × 1,828,679.37
  4. Step 4: Simplify right side
    3,118,309.53x = 7,867,087,437,875.72
  5. Step 5: Solve for x
    x = 7,867,087,437,875.72/3,118,309.53
  6. Step 6: Final answer
    x = 2,522,869.32

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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.