Finding the Fourth Proportional to 3,814,555.86, 5,720,946.84 and 1,419,528.42
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Solution
The fourth proportional to 3,814,555.86, 5,720,946.84 and 1,419,528.42 is: 2,128,962.57
Step by Step Solution
- Step 1: Write the proportion equation
3,814,555.86 : 5,720,946.84 = 1,419,528.42 : x - Step 2: Convert to fraction form
3,814,555.86/5,720,946.84 = 1,419,528.42/x - Step 3: Cross multiply
3,814,555.86x = 5,720,946.84 × 1,419,528.42 - Step 4: Simplify right side
3,814,555.86x = 8,121,046,628,689.19 - Step 5: Solve for x
x = 8,121,046,628,689.19/3,814,555.86 - Step 6: Final answer
x = 2,128,962.57
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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.