Finding the Fourth Proportional to 2,174,474.75, 3,000,782.18 and 1,207,605.04
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Solution
The fourth proportional to 2,174,474.75, 3,000,782.18 and 1,207,605.04 is: 1,666,498.86
Step by Step Solution
- Step 1: Write the proportion equation
2,174,474.75 : 3,000,782.18 = 1,207,605.04 : x - Step 2: Convert to fraction form
2,174,474.75/3,000,782.18 = 1,207,605.04/x - Step 3: Cross multiply
2,174,474.75x = 3,000,782.18 × 1,207,605.04 - Step 4: Simplify right side
2,174,474.75x = 3,623,759,680,027.24 - Step 5: Solve for x
x = 3,623,759,680,027.24/2,174,474.75 - Step 6: Final answer
x = 1,666,498.86
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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.