Home / 1,913,633.36-2,643,500.04-1,812,856.40

Finding the Fourth Proportional to 1,913,633.36, 2,643,500.04 and 1,812,856.40

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Solution

The fourth proportional to 1,913,633.36, 2,643,500.04 and 1,812,856.40 is: 2,504,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,633.36 : 2,643,500.04 = 1,812,856.40 : x
  2. Step 2: Convert to fraction form
    1,913,633.36/2,643,500.04 = 1,812,856.40/x
  3. Step 3: Cross multiply
    1,913,633.36x = 2,643,500.04 × 1,812,856.40
  4. Step 4: Simplify right side
    1,913,633.36x = 4,792,285,965,914.26
  5. Step 5: Solve for x
    x = 4,792,285,965,914.26/1,913,633.36
  6. Step 6: Final answer
    x = 2,504,286.38

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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.