Home / 3,168,639.88-4,372,724.16-1,718,334.88

Finding the Fourth Proportional to 3,168,639.88, 4,372,724.16 and 1,718,334.88

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Solution

The fourth proportional to 3,168,639.88, 4,372,724.16 and 1,718,334.88 is: 2,371,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,639.88 : 4,372,724.16 = 1,718,334.88 : x
  2. Step 2: Convert to fraction form
    3,168,639.88/4,372,724.16 = 1,718,334.88/x
  3. Step 3: Cross multiply
    3,168,639.88x = 4,372,724.16 × 1,718,334.88
  4. Step 4: Simplify right side
    3,168,639.88x = 7,513,804,444,746.70
  5. Step 5: Solve for x
    x = 7,513,804,444,746.70/3,168,639.88
  6. Step 6: Final answer
    x = 2,371,302.74

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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.