Finding the Fourth Proportional to 5,631,477.57, 7,771,392.18 and 3,184,569.09
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Solution
The fourth proportional to 5,631,477.57, 7,771,392.18 and 3,184,569.09 is: 4,394,678.84
Step by Step Solution
- Step 1: Write the proportion equation
5,631,477.57 : 7,771,392.18 = 3,184,569.09 : x - Step 2: Convert to fraction form
5,631,477.57/7,771,392.18 = 3,184,569.09/x - Step 3: Cross multiply
5,631,477.57x = 7,771,392.18 × 3,184,569.09 - Step 4: Simplify right side
5,631,477.57x = 24,748,535,322,695.71 - Step 5: Solve for x
x = 24,748,535,322,695.71/5,631,477.57 - Step 6: Final answer
x = 4,394,678.84
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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.