Home / 1,917,325.80-2,645,907.57-1,057,885.97

Finding the Fourth Proportional to 1,917,325.80, 2,645,907.57 and 1,057,885.97

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Solution

The fourth proportional to 1,917,325.80, 2,645,907.57 and 1,057,885.97 is: 1,459,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,325.80 : 2,645,907.57 = 1,057,885.97 : x
  2. Step 2: Convert to fraction form
    1,917,325.80/2,645,907.57 = 1,057,885.97/x
  3. Step 3: Cross multiply
    1,917,325.80x = 2,645,907.57 × 1,057,885.97
  4. Step 4: Simplify right side
    1,917,325.80x = 2,799,068,482,990.26
  5. Step 5: Solve for x
    x = 2,799,068,482,990.26/1,917,325.80
  6. Step 6: Final answer
    x = 1,459,881.51

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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.