Home / 4,908,001.20-7,362,001.80-3,112,911.60

Finding the Fourth Proportional to 4,908,001.20, 7,362,001.80 and 3,112,911.60

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Solution

The fourth proportional to 4,908,001.20, 7,362,001.80 and 3,112,911.60 is: 4,669,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908,001.20 : 7,362,001.80 = 3,112,911.60 : x
  2. Step 2: Convert to fraction form
    4,908,001.20/7,362,001.80 = 3,112,911.60/x
  3. Step 3: Cross multiply
    4,908,001.20x = 7,362,001.80 × 3,112,911.60
  4. Step 4: Simplify right side
    4,908,001.20x = 22,917,260,802,440.88
  5. Step 5: Solve for x
    x = 22,917,260,802,440.88/4,908,001.20
  6. Step 6: Final answer
    x = 4,669,367.40

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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.