Home / 1,370,021.22-1,889,380.47-1,176,368.19

Finding the Fourth Proportional to 1,370,021.22, 1,889,380.47 and 1,176,368.19

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Solution

The fourth proportional to 1,370,021.22, 1,889,380.47 and 1,176,368.19 is: 1,622,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,021.22 : 1,889,380.47 = 1,176,368.19 : x
  2. Step 2: Convert to fraction form
    1,370,021.22/1,889,380.47 = 1,176,368.19/x
  3. Step 3: Cross multiply
    1,370,021.22x = 1,889,380.47 × 1,176,368.19
  4. Step 4: Simplify right side
    1,370,021.22x = 2,222,607,083,715.25
  5. Step 5: Solve for x
    x = 2,222,607,083,715.25/1,370,021.22
  6. Step 6: Final answer
    x = 1,622,315.81

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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.