Home / 2,638,821.87-3,641,917.19-1,477,710.22

Finding the Fourth Proportional to 2,638,821.87, 3,641,917.19 and 1,477,710.22

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Solution

The fourth proportional to 2,638,821.87, 3,641,917.19 and 1,477,710.22 is: 2,039,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,821.87 : 3,641,917.19 = 1,477,710.22 : x
  2. Step 2: Convert to fraction form
    2,638,821.87/3,641,917.19 = 1,477,710.22/x
  3. Step 3: Cross multiply
    2,638,821.87x = 3,641,917.19 × 1,477,710.22
  4. Step 4: Simplify right side
    2,638,821.87x = 5,381,698,252,056.68
  5. Step 5: Solve for x
    x = 5,381,698,252,056.68/2,638,821.87
  6. Step 6: Final answer
    x = 2,039,432.18

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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.