Finding the Fourth Proportional to 4,812,446.08, 6,641,176.98 and 2,636,971.48
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Solution
The fourth proportional to 4,812,446.08, 6,641,176.98 and 2,636,971.48 is: 3,639,021.40
Step by Step Solution
- Step 1: Write the proportion equation
4,812,446.08 : 6,641,176.98 = 2,636,971.48 : x - Step 2: Convert to fraction form
4,812,446.08/6,641,176.98 = 2,636,971.48/x - Step 3: Cross multiply
4,812,446.08x = 6,641,176.98 × 2,636,971.48 - Step 4: Simplify right side
4,812,446.08x = 17,512,594,289,892.53 - Step 5: Solve for x
x = 17,512,594,289,892.53/4,812,446.08 - Step 6: Final answer
x = 3,639,021.40
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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.