Home / 2,905,923.37-4,009,721.19-1,681,989.46

Finding the Fourth Proportional to 2,905,923.37, 4,009,721.19 and 1,681,989.46

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Solution

The fourth proportional to 2,905,923.37, 4,009,721.19 and 1,681,989.46 is: 2,320,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,923.37 : 4,009,721.19 = 1,681,989.46 : x
  2. Step 2: Convert to fraction form
    2,905,923.37/4,009,721.19 = 1,681,989.46/x
  3. Step 3: Cross multiply
    2,905,923.37x = 4,009,721.19 × 1,681,989.46
  4. Step 4: Simplify right side
    2,905,923.37x = 6,744,308,779,118.66
  5. Step 5: Solve for x
    x = 6,744,308,779,118.66/2,905,923.37
  6. Step 6: Final answer
    x = 2,320,883.22

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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.