Home / 3,109,019.58-4,290,455.72-1,802,525.51

Finding the Fourth Proportional to 3,109,019.58, 4,290,455.72 and 1,802,525.51

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Solution

The fourth proportional to 3,109,019.58, 4,290,455.72 and 1,802,525.51 is: 2,487,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,019.58 : 4,290,455.72 = 1,802,525.51 : x
  2. Step 2: Convert to fraction form
    3,109,019.58/4,290,455.72 = 1,802,525.51/x
  3. Step 3: Cross multiply
    3,109,019.58x = 4,290,455.72 × 1,802,525.51
  4. Step 4: Simplify right side
    3,109,019.58x = 7,733,655,900,057.87
  5. Step 5: Solve for x
    x = 7,733,655,900,057.87/3,109,019.58
  6. Step 6: Final answer
    x = 2,487,490.25

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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.