Home / 3,220,348.60-4,831,106.10-1,618,881.40

Finding the Fourth Proportional to 3,220,348.60, 4,831,106.10 and 1,618,881.40

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Solution

The fourth proportional to 3,220,348.60, 4,831,106.10 and 1,618,881.40 is: 2,428,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,348.60 : 4,831,106.10 = 1,618,881.40 : x
  2. Step 2: Convert to fraction form
    3,220,348.60/4,831,106.10 = 1,618,881.40/x
  3. Step 3: Cross multiply
    3,220,348.60x = 4,831,106.10 × 1,618,881.40
  4. Step 4: Simplify right side
    3,220,348.60x = 7,820,987,806,716.54
  5. Step 5: Solve for x
    x = 7,820,987,806,716.54/3,220,348.60
  6. Step 6: Final answer
    x = 2,428,615.28

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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.