Finding the Fourth Proportional to 2,170,047.24, 2,994,069.42 and 1,298,527.74
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Solution
The fourth proportional to 2,170,047.24, 2,994,069.42 and 1,298,527.74 is: 1,791,611.78
Step by Step Solution
- Step 1: Write the proportion equation
2,170,047.24 : 2,994,069.42 = 1,298,527.74 : x - Step 2: Convert to fraction form
2,170,047.24/2,994,069.42 = 1,298,527.74/x - Step 3: Cross multiply
2,170,047.24x = 2,994,069.42 × 1,298,527.74 - Step 4: Simplify right side
2,170,047.24x = 3,887,882,197,355.71 - Step 5: Solve for x
x = 3,887,882,197,355.71/2,170,047.24 - Step 6: Final answer
x = 1,791,611.78
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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.