Home / 1,355,982.97-2,021,994.20-1,343,812.32

Finding the Fourth Proportional to 1,355,982.97, 2,021,994.20 and 1,343,812.32

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Solution

The fourth proportional to 1,355,982.97, 2,021,994.20 and 1,343,812.32 is: 2,003,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,982.97 : 2,021,994.20 = 1,343,812.32 : x
  2. Step 2: Convert to fraction form
    1,355,982.97/2,021,994.20 = 1,343,812.32/x
  3. Step 3: Cross multiply
    1,355,982.97x = 2,021,994.20 × 1,343,812.32
  4. Step 4: Simplify right side
    1,355,982.97x = 2,717,180,707,681.99
  5. Step 5: Solve for x
    x = 2,717,180,707,681.99/1,355,982.97
  6. Step 6: Final answer
    x = 2,003,845.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.