Home / 1,929,143.12-2,662,351.36-1,069,783.34

Finding the Fourth Proportional to 1,929,143.12, 2,662,351.36 and 1,069,783.34

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Solution

The fourth proportional to 1,929,143.12, 2,662,351.36 and 1,069,783.34 is: 1,476,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,143.12 : 2,662,351.36 = 1,069,783.34 : x
  2. Step 2: Convert to fraction form
    1,929,143.12/2,662,351.36 = 1,069,783.34/x
  3. Step 3: Cross multiply
    1,929,143.12x = 2,662,351.36 × 1,069,783.34
  4. Step 4: Simplify right side
    1,929,143.12x = 2,848,139,130,154.34
  5. Step 5: Solve for x
    x = 2,848,139,130,154.34/1,929,143.12
  6. Step 6: Final answer
    x = 1,476,375.24

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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.