Home / 1,897,686.90-2,845,546.20-698,992.20

Finding the Fourth Proportional to 1,897,686.90, 2,845,546.20 and 698,992.20

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Solution

The fourth proportional to 1,897,686.90, 2,845,546.20 and 698,992.20 is: 1,048,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,686.90 : 2,845,546.20 = 698,992.20 : x
  2. Step 2: Convert to fraction form
    1,897,686.90/2,845,546.20 = 698,992.20/x
  3. Step 3: Cross multiply
    1,897,686.90x = 2,845,546.20 × 698,992.20
  4. Step 4: Simplify right side
    1,897,686.90x = 1,989,014,598,539.64
  5. Step 5: Solve for x
    x = 1,989,014,598,539.64/1,897,686.90
  6. Step 6: Final answer
    x = 1,048,125.80

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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.