Home / 2,127,688.32-3,190,907.84-1,752,781.44

Finding the Fourth Proportional to 2,127,688.32, 3,190,907.84 and 1,752,781.44

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Solution

The fourth proportional to 2,127,688.32, 3,190,907.84 and 1,752,781.44 is: 2,628,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,688.32 : 3,190,907.84 = 1,752,781.44 : x
  2. Step 2: Convert to fraction form
    2,127,688.32/3,190,907.84 = 1,752,781.44/x
  3. Step 3: Cross multiply
    2,127,688.32x = 3,190,907.84 × 1,752,781.44
  4. Step 4: Simplify right side
    2,127,688.32x = 5,592,964,038,702.49
  5. Step 5: Solve for x
    x = 5,592,964,038,702.49/2,127,688.32
  6. Step 6: Final answer
    x = 2,628,657.58

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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.