Finding the Fourth Proportional to 4,425,166.18, 6,638,263.22 and 1,545,641.74
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Solution
The fourth proportional to 4,425,166.18, 6,638,263.22 and 1,545,641.74 is: 2,318,642.12
Step by Step Solution
- Step 1: Write the proportion equation
4,425,166.18 : 6,638,263.22 = 1,545,641.74 : x - Step 2: Convert to fraction form
4,425,166.18/6,638,263.22 = 1,545,641.74/x - Step 3: Cross multiply
4,425,166.18x = 6,638,263.22 × 1,545,641.74 - Step 4: Simplify right side
4,425,166.18x = 10,260,376,713,938.80 - Step 5: Solve for x
x = 10,260,376,713,938.80/4,425,166.18 - Step 6: Final answer
x = 2,318,642.12
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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.