Home / 2,378,659.92-3,282,552.39-1,290,931.26

Finding the Fourth Proportional to 2,378,659.92, 3,282,552.39 and 1,290,931.26

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Solution

The fourth proportional to 2,378,659.92, 3,282,552.39 and 1,290,931.26 is: 1,781,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,659.92 : 3,282,552.39 = 1,290,931.26 : x
  2. Step 2: Convert to fraction form
    2,378,659.92/3,282,552.39 = 1,290,931.26/x
  3. Step 3: Cross multiply
    2,378,659.92x = 3,282,552.39 × 1,290,931.26
  4. Step 4: Simplify right side
    2,378,659.92x = 4,237,549,492,838.71
  5. Step 5: Solve for x
    x = 4,237,549,492,838.71/2,378,659.92
  6. Step 6: Final answer
    x = 1,781,486.06

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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.