Home / 2,905,924.37-4,009,722.57-1,681,990.46

Finding the Fourth Proportional to 2,905,924.37, 4,009,722.57 and 1,681,990.46

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Solution

The fourth proportional to 2,905,924.37, 4,009,722.57 and 1,681,990.46 is: 2,320,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,924.37 : 4,009,722.57 = 1,681,990.46 : x
  2. Step 2: Convert to fraction form
    2,905,924.37/4,009,722.57 = 1,681,990.46/x
  3. Step 3: Cross multiply
    2,905,924.37x = 4,009,722.57 × 1,681,990.46
  4. Step 4: Simplify right side
    2,905,924.37x = 6,744,315,109,986.68
  5. Step 5: Solve for x
    x = 6,744,315,109,986.68/2,905,924.37
  6. Step 6: Final answer
    x = 2,320,884.60

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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.