Home / 1,543,821.66-2,127,814.01-1,026,651.21

Finding the Fourth Proportional to 1,543,821.66, 2,127,814.01 and 1,026,651.21

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Solution

The fourth proportional to 1,543,821.66, 2,127,814.01 and 1,026,651.21 is: 1,415,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,821.66 : 2,127,814.01 = 1,026,651.21 : x
  2. Step 2: Convert to fraction form
    1,543,821.66/2,127,814.01 = 1,026,651.21/x
  3. Step 3: Cross multiply
    1,543,821.66x = 2,127,814.01 × 1,026,651.21
  4. Step 4: Simplify right side
    1,543,821.66x = 2,184,522,818,758.84
  5. Step 5: Solve for x
    x = 2,184,522,818,758.84/1,543,821.66
  6. Step 6: Final answer
    x = 1,415,009.83

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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.