Finding the Fourth Proportional to 3,412,747.08, 5,119,134.63 and 853,955.07
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Solution
The fourth proportional to 3,412,747.08, 5,119,134.63 and 853,955.07 is: 1,280,936.11
Step by Step Solution
- Step 1: Write the proportion equation
3,412,747.08 : 5,119,134.63 = 853,955.07 : x - Step 2: Convert to fraction form
3,412,747.08/5,119,134.63 = 853,955.07/x - Step 3: Cross multiply
3,412,747.08x = 5,119,134.63 × 853,955.07 - Step 4: Simplify right side
3,412,747.08x = 4,371,510,971,301.07 - Step 5: Solve for x
x = 4,371,510,971,301.07/3,412,747.08 - Step 6: Final answer
x = 1,280,936.11
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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.