Finding the Fourth Proportional to 4,885,775.70, 7,328,663.55 and 3,673,302.90
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Solution
The fourth proportional to 4,885,775.70, 7,328,663.55 and 3,673,302.90 is: 5,509,954.35
Step by Step Solution
- Step 1: Write the proportion equation
4,885,775.70 : 7,328,663.55 = 3,673,302.90 : x - Step 2: Convert to fraction form
4,885,775.70/7,328,663.55 = 3,673,302.90/x - Step 3: Cross multiply
4,885,775.70x = 7,328,663.55 × 3,673,302.90 - Step 4: Simplify right side
4,885,775.70x = 26,920,401,071,339.29 - Step 5: Solve for x
x = 26,920,401,071,339.29/4,885,775.70 - Step 6: Final answer
x = 5,509,954.35
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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.