Home / 1,616,960-2,231,374.56-891,875.36

Finding the Fourth Proportional to 1,616,960, 2,231,374.56 and 891,875.36

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Solution

The fourth proportional to 1,616,960, 2,231,374.56 and 891,875.36 is: 1,230,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,960 : 2,231,374.56 = 891,875.36 : x
  2. Step 2: Convert to fraction form
    1,616,960/2,231,374.56 = 891,875.36/x
  3. Step 3: Cross multiply
    1,616,960x = 2,231,374.56 × 891,875.36
  4. Step 4: Simplify right side
    1,616,960x = 1,990,107,988,994.84
  5. Step 5: Solve for x
    x = 1,990,107,988,994.84/1,616,960
  6. Step 6: Final answer
    x = 1,230,771.32

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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.