Finding the Fourth Proportional to 5,377,337.88, 7,420,632.58 and 2,929,969.18
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Solution
The fourth proportional to 5,377,337.88, 7,420,632.58 and 2,929,969.18 is: 4,043,306.42
Step by Step Solution
- Step 1: Write the proportion equation
5,377,337.88 : 7,420,632.58 = 2,929,969.18 : x - Step 2: Convert to fraction form
5,377,337.88/7,420,632.58 = 2,929,969.18/x - Step 3: Cross multiply
5,377,337.88x = 7,420,632.58 × 2,929,969.18 - Step 4: Simplify right side
5,377,337.88x = 21,742,224,755,503.89 - Step 5: Solve for x
x = 21,742,224,755,503.89/5,377,337.88 - Step 6: Final answer
x = 4,043,306.42
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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.