Home / 3,826,607.92-5,280,718.32-2,107,728.40

Finding the Fourth Proportional to 3,826,607.92, 5,280,718.32 and 2,107,728.40

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Solution

The fourth proportional to 3,826,607.92, 5,280,718.32 and 2,107,728.40 is: 2,908,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,607.92 : 5,280,718.32 = 2,107,728.40 : x
  2. Step 2: Convert to fraction form
    3,826,607.92/5,280,718.32 = 2,107,728.40/x
  3. Step 3: Cross multiply
    3,826,607.92x = 5,280,718.32 × 2,107,728.40
  4. Step 4: Simplify right side
    3,826,607.92x = 11,130,319,975,464.29
  5. Step 5: Solve for x
    x = 11,130,319,975,464.29/3,826,607.92
  6. Step 6: Final answer
    x = 2,908,664.86

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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.