Finding the Fourth Proportional to 5,347,178.94, 7,379,419.04 and 3,024,277.40
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Solution
The fourth proportional to 5,347,178.94, 7,379,419.04 and 3,024,277.40 is: 4,173,679.32
Step by Step Solution
- Step 1: Write the proportion equation
5,347,178.94 : 7,379,419.04 = 3,024,277.40 : x - Step 2: Convert to fraction form
5,347,178.94/7,379,419.04 = 3,024,277.40/x - Step 3: Cross multiply
5,347,178.94x = 7,379,419.04 × 3,024,277.40 - Step 4: Simplify right side
5,347,178.94x = 22,317,410,175,783.21 - Step 5: Solve for x
x = 22,317,410,175,783.21/5,347,178.94 - Step 6: Final answer
x = 4,173,679.32
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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.