Finding the Fourth Proportional to 7,630,126.57, 10,529,572.21 and 4,192,589.04
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Solution
The fourth proportional to 7,630,126.57, 10,529,572.21 and 4,192,589.04 is: 5,785,771.53
Step by Step Solution
- Step 1: Write the proportion equation
7,630,126.57 : 10,529,572.21 = 4,192,589.04 : x - Step 2: Convert to fraction form
7,630,126.57/10,529,572.21 = 4,192,589.04/x - Step 3: Cross multiply
7,630,126.57x = 10,529,572.21 × 4,192,589.04 - Step 4: Simplify right side
7,630,126.57x = 44,146,169,043,534.59 - Step 5: Solve for x
x = 44,146,169,043,534.59/7,630,126.57 - Step 6: Final answer
x = 5,785,771.53
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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.