Home / 2,103,170-2,902,166.60-1,287,603.60

Finding the Fourth Proportional to 2,103,170, 2,902,166.60 and 1,287,603.60

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Solution

The fourth proportional to 2,103,170, 2,902,166.60 and 1,287,603.60 is: 1,776,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,170 : 2,902,166.60 = 1,287,603.60 : x
  2. Step 2: Convert to fraction form
    2,103,170/2,902,166.60 = 1,287,603.60/x
  3. Step 3: Cross multiply
    2,103,170x = 2,902,166.60 × 1,287,603.60
  4. Step 4: Simplify right side
    2,103,170x = 3,736,840,161,959.76
  5. Step 5: Solve for x
    x = 3,736,840,161,959.76/2,103,170
  6. Step 6: Final answer
    x = 1,776,765.63

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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.