Home / 2,867,625.17-3,956,859.68-1,643,705.45

Finding the Fourth Proportional to 2,867,625.17, 3,956,859.68 and 1,643,705.45

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Solution

The fourth proportional to 2,867,625.17, 3,956,859.68 and 1,643,705.45 is: 2,268,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,625.17 : 3,956,859.68 = 1,643,705.45 : x
  2. Step 2: Convert to fraction form
    2,867,625.17/3,956,859.68 = 1,643,705.45/x
  3. Step 3: Cross multiply
    2,867,625.17x = 3,956,859.68 × 1,643,705.45
  4. Step 4: Simplify right side
    2,867,625.17x = 6,503,911,820,901.26
  5. Step 5: Solve for x
    x = 6,503,911,820,901.26/2,867,625.17
  6. Step 6: Final answer
    x = 2,268,048.10

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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.