Home / 2,809,690.51-3,877,379.79-1,520,540.28

Finding the Fourth Proportional to 2,809,690.51, 3,877,379.79 and 1,520,540.28

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Solution

The fourth proportional to 2,809,690.51, 3,877,379.79 and 1,520,540.28 is: 2,098,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,690.51 : 3,877,379.79 = 1,520,540.28 : x
  2. Step 2: Convert to fraction form
    2,809,690.51/3,877,379.79 = 1,520,540.28/x
  3. Step 3: Cross multiply
    2,809,690.51x = 3,877,379.79 × 1,520,540.28
  4. Step 4: Simplify right side
    2,809,690.51x = 5,895,712,151,552.94
  5. Step 5: Solve for x
    x = 5,895,712,151,552.94/2,809,690.51
  6. Step 6: Final answer
    x = 2,098,349.31

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1.5x scale

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.