Home / 1,898,598.58-2,619,965.10-1,038,992.77

Finding the Fourth Proportional to 1,898,598.58, 2,619,965.10 and 1,038,992.77

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Solution

The fourth proportional to 1,898,598.58, 2,619,965.10 and 1,038,992.77 is: 1,433,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,598.58 : 2,619,965.10 = 1,038,992.77 : x
  2. Step 2: Convert to fraction form
    1,898,598.58/2,619,965.10 = 1,038,992.77/x
  3. Step 3: Cross multiply
    1,898,598.58x = 2,619,965.10 × 1,038,992.77
  4. Step 4: Simplify right side
    1,898,598.58x = 2,722,124,796,552.33
  5. Step 5: Solve for x
    x = 2,722,124,796,552.33/1,898,598.58
  6. Step 6: Final answer
    x = 1,433,754.78

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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.