Home / 1,510,164.14-2,084,035.43-821,841.42

Finding the Fourth Proportional to 1,510,164.14, 2,084,035.43 and 821,841.42

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Solution

The fourth proportional to 1,510,164.14, 2,084,035.43 and 821,841.42 is: 1,134,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,164.14 : 2,084,035.43 = 821,841.42 : x
  2. Step 2: Convert to fraction form
    1,510,164.14/2,084,035.43 = 821,841.42/x
  3. Step 3: Cross multiply
    1,510,164.14x = 2,084,035.43 × 821,841.42
  4. Step 4: Simplify right side
    1,510,164.14x = 1,712,746,646,991.25
  5. Step 5: Solve for x
    x = 1,712,746,646,991.25/1,510,164.14
  6. Step 6: Final answer
    x = 1,134,146.02

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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.