Home / 2,772,047.70-4,158,071.55-1,279,055.70

Finding the Fourth Proportional to 2,772,047.70, 4,158,071.55 and 1,279,055.70

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Solution

The fourth proportional to 2,772,047.70, 4,158,071.55 and 1,279,055.70 is: 1,918,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,047.70 : 4,158,071.55 = 1,279,055.70 : x
  2. Step 2: Convert to fraction form
    2,772,047.70/4,158,071.55 = 1,279,055.70/x
  3. Step 3: Cross multiply
    2,772,047.70x = 4,158,071.55 × 1,279,055.70
  4. Step 4: Simplify right side
    2,772,047.70x = 5,318,405,117,035.34
  5. Step 5: Solve for x
    x = 5,318,405,117,035.34/2,772,047.70
  6. Step 6: Final answer
    x = 1,918,583.55

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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.