Finding the Fourth Proportional to 2,174,433.97, 3,000,636.72 and 1,207,626.53
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Solution
The fourth proportional to 2,174,433.97, 3,000,636.72 and 1,207,626.53 is: 1,666,478.99
Step by Step Solution
- Step 1: Write the proportion equation
2,174,433.97 : 3,000,636.72 = 1,207,626.53 : x - Step 2: Convert to fraction form
2,174,433.97/3,000,636.72 = 1,207,626.53/x - Step 3: Cross multiply
2,174,433.97x = 3,000,636.72 × 1,207,626.53 - Step 4: Simplify right side
2,174,433.97x = 3,623,648,509,964.18 - Step 5: Solve for x
x = 3,623,648,509,964.18/2,174,433.97 - Step 6: Final answer
x = 1,666,478.99
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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.