Finding the Fourth Proportional to 5,224,069.88, 7,208,821.14 and 2,931,787.70
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Solution
The fourth proportional to 5,224,069.88, 7,208,821.14 and 2,931,787.70 is: 4,045,645.18
Step by Step Solution
- Step 1: Write the proportion equation
5,224,069.88 : 7,208,821.14 = 2,931,787.70 : x - Step 2: Convert to fraction form
5,224,069.88/7,208,821.14 = 2,931,787.70/x - Step 3: Cross multiply
5,224,069.88x = 7,208,821.14 × 2,931,787.70 - Step 4: Simplify right side
5,224,069.88x = 21,134,733,149,751.98 - Step 5: Solve for x
x = 21,134,733,149,751.98/5,224,069.88 - Step 6: Final answer
x = 4,045,645.18
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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.