Home / 3,456,010.40-5,184,015.60-931,920.80

Finding the Fourth Proportional to 3,456,010.40, 5,184,015.60 and 931,920.80

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Solution

The fourth proportional to 3,456,010.40, 5,184,015.60 and 931,920.80 is: 1,397,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,010.40 : 5,184,015.60 = 931,920.80 : x
  2. Step 2: Convert to fraction form
    3,456,010.40/5,184,015.60 = 931,920.80/x
  3. Step 3: Cross multiply
    3,456,010.40x = 5,184,015.60 × 931,920.80
  4. Step 4: Simplify right side
    3,456,010.40x = 4,831,091,965,164.48
  5. Step 5: Solve for x
    x = 4,831,091,965,164.48/3,456,010.40
  6. Step 6: Final answer
    x = 1,397,881.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.