Finding the Fourth Proportional to 3,814,555.61, 5,720,946.42 and 1,419,528.17
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Solution
The fourth proportional to 3,814,555.61, 5,720,946.42 and 1,419,528.17 is: 2,128,962.17
Step by Step Solution
- Step 1: Write the proportion equation
3,814,555.61 : 5,720,946.42 = 1,419,528.17 : x - Step 2: Convert to fraction form
3,814,555.61/5,720,946.42 = 1,419,528.17/x - Step 3: Cross multiply
3,814,555.61x = 5,720,946.42 × 1,419,528.17 - Step 4: Simplify right side
3,814,555.61x = 8,121,044,602,250.65 - Step 5: Solve for x
x = 8,121,044,602,250.65/3,814,555.61 - Step 6: Final answer
x = 2,128,962.17
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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.