Finding the Fourth Proportional to 5,107,392.84, 7,048,223.46 and 2,815,503.24
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Solution
The fourth proportional to 5,107,392.84, 7,048,223.46 and 2,815,503.24 is: 3,885,406.24
Step by Step Solution
- Step 1: Write the proportion equation
5,107,392.84 : 7,048,223.46 = 2,815,503.24 : x - Step 2: Convert to fraction form
5,107,392.84/7,048,223.46 = 2,815,503.24/x - Step 3: Cross multiply
5,107,392.84x = 7,048,223.46 × 2,815,503.24 - Step 4: Simplify right side
5,107,392.84x = 19,844,295,987,874.01 - Step 5: Solve for x
x = 19,844,295,987,874.01/5,107,392.84 - Step 6: Final answer
x = 3,885,406.24
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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.