Finding the Fourth Proportional to 3,750,840.72, 5,616,929.88 and 2,623,631.76
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Solution
The fourth proportional to 3,750,840.72, 5,616,929.88 and 2,623,631.76 is: 3,928,920.67
Step by Step Solution
- Step 1: Write the proportion equation
3,750,840.72 : 5,616,929.88 = 2,623,631.76 : x - Step 2: Convert to fraction form
3,750,840.72/5,616,929.88 = 2,623,631.76/x - Step 3: Cross multiply
3,750,840.72x = 5,616,929.88 × 2,623,631.76 - Step 4: Simplify right side
3,750,840.72x = 14,736,755,626,860.99 - Step 5: Solve for x
x = 14,736,755,626,860.99/3,750,840.72 - Step 6: Final answer
x = 3,928,920.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.