Finding the Fourth Proportional to 2,218,345.75, 3,061,317.14 and 1,199,750.50
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Solution
The fourth proportional to 2,218,345.75, 3,061,317.14 and 1,199,750.50 is: 1,655,655.69
Step by Step Solution
- Step 1: Write the proportion equation
2,218,345.75 : 3,061,317.14 = 1,199,750.50 : x - Step 2: Convert to fraction form
2,218,345.75/3,061,317.14 = 1,199,750.50/x - Step 3: Cross multiply
2,218,345.75x = 3,061,317.14 × 1,199,750.50 - Step 4: Simplify right side
2,218,345.75x = 3,672,816,771,700.53 - Step 5: Solve for x
x = 3,672,816,771,700.53/2,218,345.75 - Step 6: Final answer
x = 1,655,655.69
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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.