Home / 1,530,305.61-2,111,837.94-841,986.51

Finding the Fourth Proportional to 1,530,305.61, 2,111,837.94 and 841,986.51

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Solution

The fourth proportional to 1,530,305.61, 2,111,837.94 and 841,986.51 is: 1,161,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,305.61 : 2,111,837.94 = 841,986.51 : x
  2. Step 2: Convert to fraction form
    1,530,305.61/2,111,837.94 = 841,986.51/x
  3. Step 3: Cross multiply
    1,530,305.61x = 2,111,837.94 × 841,986.51
  4. Step 4: Simplify right side
    1,530,305.61x = 1,778,139,056,786.19
  5. Step 5: Solve for x
    x = 1,778,139,056,786.19/1,530,305.61
  6. Step 6: Final answer
    x = 1,161,950.30

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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.