Finding the Fourth Proportional to 5,631,628.70, 7,771,811.54 and 3,184,187.18
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Solution
The fourth proportional to 5,631,628.70, 7,771,811.54 and 3,184,187.18 is: 4,394,270.99
Step by Step Solution
- Step 1: Write the proportion equation
5,631,628.70 : 7,771,811.54 = 3,184,187.18 : x - Step 2: Convert to fraction form
5,631,628.70/7,771,811.54 = 3,184,187.18/x - Step 3: Cross multiply
5,631,628.70x = 7,771,811.54 × 3,184,187.18 - Step 4: Simplify right side
5,631,628.70x = 24,746,902,616,264.06 - Step 5: Solve for x
x = 24,746,902,616,264.06/5,631,628.70 - Step 6: Final answer
x = 4,394,270.99
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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.