Home / 2,443,005.20-3,371,351.13-1,355,276.81

Finding the Fourth Proportional to 2,443,005.20, 3,371,351.13 and 1,355,276.81

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Solution

The fourth proportional to 2,443,005.20, 3,371,351.13 and 1,355,276.81 is: 1,870,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443,005.20 : 3,371,351.13 = 1,355,276.81 : x
  2. Step 2: Convert to fraction form
    2,443,005.20/3,371,351.13 = 1,355,276.81/x
  3. Step 3: Cross multiply
    2,443,005.20x = 3,371,351.13 × 1,355,276.81
  4. Step 4: Simplify right side
    2,443,005.20x = 4,569,113,987,999.54
  5. Step 5: Solve for x
    x = 4,569,113,987,999.54/2,443,005.20
  6. Step 6: Final answer
    x = 1,870,284.19

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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.