Finding the Fourth Proportional to 5,107,411.84, 7,048,249.68 and 2,815,522.24
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Solution
The fourth proportional to 5,107,411.84, 7,048,249.68 and 2,815,522.24 is: 3,885,432.46
Step by Step Solution
- Step 1: Write the proportion equation
5,107,411.84 : 7,048,249.68 = 2,815,522.24 : x - Step 2: Convert to fraction form
5,107,411.84/7,048,249.68 = 2,815,522.24/x - Step 3: Cross multiply
5,107,411.84x = 7,048,249.68 × 2,815,522.24 - Step 4: Simplify right side
5,107,411.84x = 19,844,503,727,112.88 - Step 5: Solve for x
x = 19,844,503,727,112.88/5,107,411.84 - Step 6: Final answer
x = 3,885,432.46
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1.5x scale
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.