Home / 1,897,349.77-2,616,568.21-1,511,448.15

Finding the Fourth Proportional to 1,897,349.77, 2,616,568.21 and 1,511,448.15

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Solution

The fourth proportional to 1,897,349.77, 2,616,568.21 and 1,511,448.15 is: 2,084,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,349.77 : 2,616,568.21 = 1,511,448.15 : x
  2. Step 2: Convert to fraction form
    1,897,349.77/2,616,568.21 = 1,511,448.15/x
  3. Step 3: Cross multiply
    1,897,349.77x = 2,616,568.21 × 1,511,448.15
  4. Step 4: Simplify right side
    1,897,349.77x = 3,954,807,192,054.75
  5. Step 5: Solve for x
    x = 3,954,807,192,054.75/1,897,349.77
  6. Step 6: Final answer
    x = 2,084,384.89

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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.