Home / 1,515,428.01-2,091,295.13-827,106.21

Finding the Fourth Proportional to 1,515,428.01, 2,091,295.13 and 827,106.21

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Solution

The fourth proportional to 1,515,428.01, 2,091,295.13 and 827,106.21 is: 1,141,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,428.01 : 2,091,295.13 = 827,106.21 : x
  2. Step 2: Convert to fraction form
    1,515,428.01/2,091,295.13 = 827,106.21/x
  3. Step 3: Cross multiply
    1,515,428.01x = 2,091,295.13 × 827,106.21
  4. Step 4: Simplify right side
    1,515,428.01x = 1,729,723,184,830.23
  5. Step 5: Solve for x
    x = 1,729,723,184,830.23/1,515,428.01
  6. Step 6: Final answer
    x = 1,141,409.01

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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.