Home / 3,148,478.57-4,723,055.01-874,012.47

Finding the Fourth Proportional to 3,148,478.57, 4,723,055.01 and 874,012.47

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Solution

The fourth proportional to 3,148,478.57, 4,723,055.01 and 874,012.47 is: 1,311,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,478.57 : 4,723,055.01 = 874,012.47 : x
  2. Step 2: Convert to fraction form
    3,148,478.57/4,723,055.01 = 874,012.47/x
  3. Step 3: Cross multiply
    3,148,478.57x = 4,723,055.01 × 874,012.47
  4. Step 4: Simplify right side
    3,148,478.57x = 4,128,008,975,235.97
  5. Step 5: Solve for x
    x = 4,128,008,975,235.97/3,148,478.57
  6. Step 6: Final answer
    x = 1,311,112.30

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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.