Finding the Fourth Proportional to 5,509,363.05, 8,264,044.58 and 3,989,835.45
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Solution
The fourth proportional to 5,509,363.05, 8,264,044.58 and 3,989,835.45 is: 5,984,753.18
Step by Step Solution
- Step 1: Write the proportion equation
5,509,363.05 : 8,264,044.58 = 3,989,835.45 : x - Step 2: Convert to fraction form
5,509,363.05/8,264,044.58 = 3,989,835.45/x - Step 3: Cross multiply
5,509,363.05x = 8,264,044.58 × 3,989,835.45 - Step 4: Simplify right side
5,509,363.05x = 32,972,178,005,715.19 - Step 5: Solve for x
x = 32,972,178,005,715.19/5,509,363.05 - Step 6: Final answer
x = 5,984,753.18
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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.