Home / 1,990,105.44-2,985,141.74-570,162.89

Finding the Fourth Proportional to 1,990,105.44, 2,985,141.74 and 570,162.89

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Solution

The fourth proportional to 1,990,105.44, 2,985,141.74 and 570,162.89 is: 855,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,105.44 : 2,985,141.74 = 570,162.89 : x
  2. Step 2: Convert to fraction form
    1,990,105.44/2,985,141.74 = 570,162.89/x
  3. Step 3: Cross multiply
    1,990,105.44x = 2,985,141.74 × 570,162.89
  4. Step 4: Simplify right side
    1,990,105.44x = 1,702,017,023,761.51
  5. Step 5: Solve for x
    x = 1,702,017,023,761.51/1,990,105.44
  6. Step 6: Final answer
    x = 855,239.62

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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.