Home / 1,698,610.84-2,545,116.90-986,640.28

Finding the Fourth Proportional to 1,698,610.84, 2,545,116.90 and 986,640.28

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Solution

The fourth proportional to 1,698,610.84, 2,545,116.90 and 986,640.28 is: 1,478,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,610.84 : 2,545,116.90 = 986,640.28 : x
  2. Step 2: Convert to fraction form
    1,698,610.84/2,545,116.90 = 986,640.28/x
  3. Step 3: Cross multiply
    1,698,610.84x = 2,545,116.90 × 986,640.28
  4. Step 4: Simplify right side
    1,698,610.84x = 2,511,114,850,848.73
  5. Step 5: Solve for x
    x = 2,511,114,850,848.73/1,698,610.84
  6. Step 6: Final answer
    x = 1,478,334.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.