Finding the Fourth Proportional to 5,176,058.58, 7,143,492.24 and 3,111,742.38
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Solution
The fourth proportional to 5,176,058.58, 7,143,492.24 and 3,111,742.38 is: 4,294,523.95
Step by Step Solution
- Step 1: Write the proportion equation
5,176,058.58 : 7,143,492.24 = 3,111,742.38 : x - Step 2: Convert to fraction form
5,176,058.58/7,143,492.24 = 3,111,742.38/x - Step 3: Cross multiply
5,176,058.58x = 7,143,492.24 × 3,111,742.38 - Step 4: Simplify right side
5,176,058.58x = 22,228,707,544,409.13 - Step 5: Solve for x
x = 22,228,707,544,409.13/5,176,058.58 - Step 6: Final answer
x = 4,294,523.95
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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.