Home / 2,919,212.55-4,378,818.83-2,116,729.35

Finding the Fourth Proportional to 2,919,212.55, 4,378,818.83 and 2,116,729.35

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Solution

The fourth proportional to 2,919,212.55, 4,378,818.83 and 2,116,729.35 is: 3,175,094.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,212.55 : 4,378,818.83 = 2,116,729.35 : x
  2. Step 2: Convert to fraction form
    2,919,212.55/4,378,818.83 = 2,116,729.35/x
  3. Step 3: Cross multiply
    2,919,212.55x = 4,378,818.83 × 2,116,729.35
  4. Step 4: Simplify right side
    2,919,212.55x = 9,268,774,325,210.01
  5. Step 5: Solve for x
    x = 9,268,774,325,210.01/2,919,212.55
  6. Step 6: Final answer
    x = 3,175,094.03

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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.