Home / 3,826,457.59-5,280,511.32-2,107,578.16

Finding the Fourth Proportional to 3,826,457.59, 5,280,511.32 and 2,107,578.16

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Solution

The fourth proportional to 3,826,457.59, 5,280,511.32 and 2,107,578.16 is: 2,908,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,457.59 : 5,280,511.32 = 2,107,578.16 : x
  2. Step 2: Convert to fraction form
    3,826,457.59/5,280,511.32 = 2,107,578.16/x
  3. Step 3: Cross multiply
    3,826,457.59x = 5,280,511.32 × 2,107,578.16
  4. Step 4: Simplify right side
    3,826,457.59x = 11,129,090,331,664.77
  5. Step 5: Solve for x
    x = 11,129,090,331,664.77/3,826,457.59
  6. Step 6: Final answer
    x = 2,908,457.78

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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.