Home / 1,817,149.26-2,507,631.51-1,001,428.32

Finding the Fourth Proportional to 1,817,149.26, 2,507,631.51 and 1,001,428.32

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Solution

The fourth proportional to 1,817,149.26, 2,507,631.51 and 1,001,428.32 is: 1,381,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,149.26 : 2,507,631.51 = 1,001,428.32 : x
  2. Step 2: Convert to fraction form
    1,817,149.26/2,507,631.51 = 1,001,428.32/x
  3. Step 3: Cross multiply
    1,817,149.26x = 2,507,631.51 × 1,001,428.32
  4. Step 4: Simplify right side
    1,817,149.26x = 2,511,213,210,238.36
  5. Step 5: Solve for x
    x = 2,511,213,210,238.36/1,817,149.26
  6. Step 6: Final answer
    x = 1,381,952.09

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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.