Finding the Fourth Proportional to 5,206,986.24, 7,815,524.04 and 2,513,204.88
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Solution
The fourth proportional to 5,206,986.24, 7,815,524.04 and 2,513,204.88 is: 3,772,242.19
Step by Step Solution
- Step 1: Write the proportion equation
5,206,986.24 : 7,815,524.04 = 2,513,204.88 : x - Step 2: Convert to fraction form
5,206,986.24/7,815,524.04 = 2,513,204.88/x - Step 3: Cross multiply
5,206,986.24x = 7,815,524.04 × 2,513,204.88 - Step 4: Simplify right side
5,206,986.24x = 19,642,013,157,085.31 - Step 5: Solve for x
x = 19,642,013,157,085.31/5,206,986.24 - Step 6: Final answer
x = 3,772,242.19
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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.