Home / 2,009,190-2,772,683.28-1,103,830.32

Finding the Fourth Proportional to 2,009,190, 2,772,683.28 and 1,103,830.32

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Solution

The fourth proportional to 2,009,190, 2,772,683.28 and 1,103,830.32 is: 1,523,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,190 : 2,772,683.28 = 1,103,830.32 : x
  2. Step 2: Convert to fraction form
    2,009,190/2,772,683.28 = 1,103,830.32/x
  3. Step 3: Cross multiply
    2,009,190x = 2,772,683.28 × 1,103,830.32
  4. Step 4: Simplify right side
    2,009,190x = 3,060,571,872,221.05
  5. Step 5: Solve for x
    x = 3,060,571,872,221.05/2,009,190
  6. Step 6: Final answer
    x = 1,523,286.43

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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.