Home / 5,030,890.70-6,942,278.95-2,855,478.15

Finding the Fourth Proportional to 5,030,890.70, 6,942,278.95 and 2,855,478.15

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Solution

The fourth proportional to 5,030,890.70, 6,942,278.95 and 2,855,478.15 is: 3,940,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030,890.70 : 6,942,278.95 = 2,855,478.15 : x
  2. Step 2: Convert to fraction form
    5,030,890.70/6,942,278.95 = 2,855,478.15/x
  3. Step 3: Cross multiply
    5,030,890.70x = 6,942,278.95 × 2,855,478.15
  4. Step 4: Simplify right side
    5,030,890.70x = 19,823,525,845,791.25
  5. Step 5: Solve for x
    x = 19,823,525,845,791.25/5,030,890.70
  6. Step 6: Final answer
    x = 3,940,361.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.