Home / 6,909,836.70-10,366,271.37-2,117,886.42

Finding the Fourth Proportional to 6,909,836.70, 10,366,271.37 and 2,117,886.42

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Solution

The fourth proportional to 6,909,836.70, 10,366,271.37 and 2,117,886.42 is: 3,177,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,836.70 : 10,366,271.37 = 2,117,886.42 : x
  2. Step 2: Convert to fraction form
    6,909,836.70/10,366,271.37 = 2,117,886.42/x
  3. Step 3: Cross multiply
    6,909,836.70x = 10,366,271.37 × 2,117,886.42
  4. Step 4: Simplify right side
    6,909,836.70x = 21,954,585,360,557.79
  5. Step 5: Solve for x
    x = 21,954,585,360,557.79/6,909,836.70
  6. Step 6: Final answer
    x = 3,177,294.39

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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.