Finding the Fourth Proportional to 1,971,778.52, 2,720,392.62 and 1,608,574.52
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Solution
The fourth proportional to 1,971,778.52, 2,720,392.62 and 1,608,574.52 is: 2,219,292.99
Step by Step Solution
- Step 1: Write the proportion equation
1,971,778.52 : 2,720,392.62 = 1,608,574.52 : x - Step 2: Convert to fraction form
1,971,778.52/2,720,392.62 = 1,608,574.52/x - Step 3: Cross multiply
1,971,778.52x = 2,720,392.62 × 1,608,574.52 - Step 4: Simplify right side
1,971,778.52x = 4,375,954,252,928.04 - Step 5: Solve for x
x = 4,375,954,252,928.04/1,971,778.52 - Step 6: Final answer
x = 2,219,292.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.