Home / 1,990,104.94-2,985,140.98-570,162.39

Finding the Fourth Proportional to 1,990,104.94, 2,985,140.98 and 570,162.39

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Solution

The fourth proportional to 1,990,104.94, 2,985,140.98 and 570,162.39 is: 855,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,104.94 : 2,985,140.98 = 570,162.39 : x
  2. Step 2: Convert to fraction form
    1,990,104.94/2,985,140.98 = 570,162.39/x
  3. Step 3: Cross multiply
    1,990,104.94x = 2,985,140.98 × 570,162.39
  4. Step 4: Simplify right side
    1,990,104.94x = 1,702,015,115,643.74
  5. Step 5: Solve for x
    x = 1,702,015,115,643.74/1,990,104.94
  6. Step 6: Final answer
    x = 855,238.88

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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.