Home / 7,047,205.62-10,570,815.09-1,728,421.62

Finding the Fourth Proportional to 7,047,205.62, 10,570,815.09 and 1,728,421.62

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Solution

The fourth proportional to 7,047,205.62, 10,570,815.09 and 1,728,421.62 is: 2,592,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,205.62 : 10,570,815.09 = 1,728,421.62 : x
  2. Step 2: Convert to fraction form
    7,047,205.62/10,570,815.09 = 1,728,421.62/x
  3. Step 3: Cross multiply
    7,047,205.62x = 10,570,815.09 × 1,728,421.62
  4. Step 4: Simplify right side
    7,047,205.62x = 18,270,825,342,578.25
  5. Step 5: Solve for x
    x = 18,270,825,342,578.25/7,047,205.62
  6. Step 6: Final answer
    x = 2,592,634.06

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1.5x scale

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.