Home / 2,897,975.32-3,999,219.96-1,810,878.28

Finding the Fourth Proportional to 2,897,975.32, 3,999,219.96 and 1,810,878.28

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Solution

The fourth proportional to 2,897,975.32, 3,999,219.96 and 1,810,878.28 is: 2,499,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,975.32 : 3,999,219.96 = 1,810,878.28 : x
  2. Step 2: Convert to fraction form
    2,897,975.32/3,999,219.96 = 1,810,878.28/x
  3. Step 3: Cross multiply
    2,897,975.32x = 3,999,219.96 × 1,810,878.28
  4. Step 4: Simplify right side
    2,897,975.32x = 7,242,100,562,506.47
  5. Step 5: Solve for x
    x = 7,242,100,562,506.47/2,897,975.32
  6. Step 6: Final answer
    x = 2,499,020.79

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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.