Home / 2,019,150.45-3,030,201.90-1,345,007.70

Finding the Fourth Proportional to 2,019,150.45, 3,030,201.90 and 1,345,007.70

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Solution

The fourth proportional to 2,019,150.45, 3,030,201.90 and 1,345,007.70 is: 2,018,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,150.45 : 3,030,201.90 = 1,345,007.70 : x
  2. Step 2: Convert to fraction form
    2,019,150.45/3,030,201.90 = 1,345,007.70/x
  3. Step 3: Cross multiply
    2,019,150.45x = 3,030,201.90 × 1,345,007.70
  4. Step 4: Simplify right side
    2,019,150.45x = 4,075,644,888,054.63
  5. Step 5: Solve for x
    x = 4,075,644,888,054.63/2,019,150.45
  6. Step 6: Final answer
    x = 2,018,494.90

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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.