Home / 3,685,367.63-5,528,838.74-1,289,290.43

Finding the Fourth Proportional to 3,685,367.63, 5,528,838.74 and 1,289,290.43

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Solution

The fourth proportional to 3,685,367.63, 5,528,838.74 and 1,289,290.43 is: 1,934,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,367.63 : 5,528,838.74 = 1,289,290.43 : x
  2. Step 2: Convert to fraction form
    3,685,367.63/5,528,838.74 = 1,289,290.43/x
  3. Step 3: Cross multiply
    3,685,367.63x = 5,528,838.74 × 1,289,290.43
  4. Step 4: Simplify right side
    3,685,367.63x = 7,128,278,883,870.90
  5. Step 5: Solve for x
    x = 7,128,278,883,870.90/3,685,367.63
  6. Step 6: Final answer
    x = 1,934,211.07

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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.