Home / 2,015,051.80-3,018,641.10-1,213,953.70

Finding the Fourth Proportional to 2,015,051.80, 3,018,641.10 and 1,213,953.70

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Solution

The fourth proportional to 2,015,051.80, 3,018,641.10 and 1,213,953.70 is: 1,818,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,051.80 : 3,018,641.10 = 1,213,953.70 : x
  2. Step 2: Convert to fraction form
    2,015,051.80/3,018,641.10 = 1,213,953.70/x
  3. Step 3: Cross multiply
    2,015,051.80x = 3,018,641.10 × 1,213,953.70
  4. Step 4: Simplify right side
    2,015,051.80x = 3,664,490,532,317.07
  5. Step 5: Solve for x
    x = 3,664,490,532,317.07/2,015,051.80
  6. Step 6: Final answer
    x = 1,818,558.97

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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.