Finding the Fourth Proportional to 2,117,149.74, 2,921,022.90 and 1,199,233.08
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Solution
The fourth proportional to 2,117,149.74, 2,921,022.90 and 1,199,233.08 is: 1,654,577.01
Step by Step Solution
- Step 1: Write the proportion equation
2,117,149.74 : 2,921,022.90 = 1,199,233.08 : x - Step 2: Convert to fraction form
2,117,149.74/2,921,022.90 = 1,199,233.08/x - Step 3: Cross multiply
2,117,149.74x = 2,921,022.90 × 1,199,233.08 - Step 4: Simplify right side
2,117,149.74x = 3,502,987,289,117.53 - Step 5: Solve for x
x = 3,502,987,289,117.53/2,117,149.74 - Step 6: Final answer
x = 1,654,577.01
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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.