Home / 2,386,659.72-3,578,879.66-869,286.32

Finding the Fourth Proportional to 2,386,659.72, 3,578,879.66 and 869,286.32

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Solution

The fourth proportional to 2,386,659.72, 3,578,879.66 and 869,286.32 is: 1,303,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386,659.72 : 3,578,879.66 = 869,286.32 : x
  2. Step 2: Convert to fraction form
    2,386,659.72/3,578,879.66 = 869,286.32/x
  3. Step 3: Cross multiply
    2,386,659.72x = 3,578,879.66 × 869,286.32
  4. Step 4: Simplify right side
    2,386,659.72x = 3,111,071,113,643.07
  5. Step 5: Solve for x
    x = 3,111,071,113,643.07/2,386,659.72
  6. Step 6: Final answer
    x = 1,303,525.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.