Finding the Fourth Proportional to 4,812,699.70, 7,218,783.87 and 1,617,495.94
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Solution
The fourth proportional to 4,812,699.70, 7,218,783.87 and 1,617,495.94 is: 2,426,154.62
Step by Step Solution
- Step 1: Write the proportion equation
4,812,699.70 : 7,218,783.87 = 1,617,495.94 : x - Step 2: Convert to fraction form
4,812,699.70/7,218,783.87 = 1,617,495.94/x - Step 3: Cross multiply
4,812,699.70x = 7,218,783.87 × 1,617,495.94 - Step 4: Simplify right side
4,812,699.70x = 11,676,353,601,462.49 - Step 5: Solve for x
x = 11,676,353,601,462.49/4,812,699.70 - Step 6: Final answer
x = 2,426,154.62
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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.