Finding the Fourth Proportional to 2,153,318.68, 2,971,647.07 and 1,235,715.67
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Solution
The fourth proportional to 2,153,318.68, 2,971,647.07 and 1,235,715.67 is: 1,705,326.24
Step by Step Solution
- Step 1: Write the proportion equation
2,153,318.68 : 2,971,647.07 = 1,235,715.67 : x - Step 2: Convert to fraction form
2,153,318.68/2,971,647.07 = 1,235,715.67/x - Step 3: Cross multiply
2,153,318.68x = 2,971,647.07 × 1,235,715.67 - Step 4: Simplify right side
2,153,318.68x = 3,672,110,839,590.18 - Step 5: Solve for x
x = 3,672,110,839,590.18/2,153,318.68 - Step 6: Final answer
x = 1,705,326.24
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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.