Finding the Fourth Proportional to 5,180,637.12, 7,771,890.72 and 2,342,086.08
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Solution
The fourth proportional to 5,180,637.12, 7,771,890.72 and 2,342,086.08 is: 3,513,551.84
Step by Step Solution
- Step 1: Write the proportion equation
5,180,637.12 : 7,771,890.72 = 2,342,086.08 : x - Step 2: Convert to fraction form
5,180,637.12/7,771,890.72 = 2,342,086.08/x - Step 3: Cross multiply
5,180,637.12x = 7,771,890.72 × 2,342,086.08 - Step 4: Simplify right side
5,180,637.12x = 18,202,437,070,593.18 - Step 5: Solve for x
x = 18,202,437,070,593.18/5,180,637.12 - Step 6: Final answer
x = 3,513,551.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.