Home / 2,019,151.45-3,030,203.40-1,345,008.70

Finding the Fourth Proportional to 2,019,151.45, 3,030,203.40 and 1,345,008.70

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Solution

The fourth proportional to 2,019,151.45, 3,030,203.40 and 1,345,008.70 is: 2,018,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,151.45 : 3,030,203.40 = 1,345,008.70 : x
  2. Step 2: Convert to fraction form
    2,019,151.45/3,030,203.40 = 1,345,008.70/x
  3. Step 3: Cross multiply
    2,019,151.45x = 3,030,203.40 × 1,345,008.70
  4. Step 4: Simplify right side
    2,019,151.45x = 4,075,649,935,769.58
  5. Step 5: Solve for x
    x = 4,075,649,935,769.58/2,019,151.45
  6. Step 6: Final answer
    x = 2,018,496.40

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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.