Finding the Fourth Proportional to 3,384,630.18, 4,670,762.42 and 1,835,888.01
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Solution
The fourth proportional to 3,384,630.18, 4,670,762.42 and 1,835,888.01 is: 2,533,510.68
Step by Step Solution
- Step 1: Write the proportion equation
3,384,630.18 : 4,670,762.42 = 1,835,888.01 : x - Step 2: Convert to fraction form
3,384,630.18/4,670,762.42 = 1,835,888.01/x - Step 3: Cross multiply
3,384,630.18x = 4,670,762.42 × 1,835,888.01 - Step 4: Simplify right side
3,384,630.18x = 8,574,996,701,082.77 - Step 5: Solve for x
x = 8,574,996,701,082.77/3,384,630.18 - Step 6: Final answer
x = 2,533,510.68
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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.