Finding the Fourth Proportional to 2,019,873.49, 2,787,562.01 and 1,160,776.21
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Solution
The fourth proportional to 2,019,873.49, 2,787,562.01 and 1,160,776.21 is: 1,601,949.66
Step by Step Solution
- Step 1: Write the proportion equation
2,019,873.49 : 2,787,562.01 = 1,160,776.21 : x - Step 2: Convert to fraction form
2,019,873.49/2,787,562.01 = 1,160,776.21/x - Step 3: Cross multiply
2,019,873.49x = 2,787,562.01 × 1,160,776.21 - Step 4: Simplify right side
2,019,873.49x = 3,235,735,659,303.90 - Step 5: Solve for x
x = 3,235,735,659,303.90/2,019,873.49 - Step 6: Final answer
x = 1,601,949.66
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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.