Home / 1,543,192.56-2,130,164.73-1,256,214.42

Finding the Fourth Proportional to 1,543,192.56, 2,130,164.73 and 1,256,214.42

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Solution

The fourth proportional to 1,543,192.56, 2,130,164.73 and 1,256,214.42 is: 1,734,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,192.56 : 2,130,164.73 = 1,256,214.42 : x
  2. Step 2: Convert to fraction form
    1,543,192.56/2,130,164.73 = 1,256,214.42/x
  3. Step 3: Cross multiply
    1,543,192.56x = 2,130,164.73 × 1,256,214.42
  4. Step 4: Simplify right side
    1,543,192.56x = 2,675,943,650,801.41
  5. Step 5: Solve for x
    x = 2,675,943,650,801.41/1,543,192.56
  6. Step 6: Final answer
    x = 1,734,030.94

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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.