Finding the Fourth Proportional to 5,378,344.97, 7,421,900.06 and 2,930,903.84
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Solution
The fourth proportional to 5,378,344.97, 7,421,900.06 and 2,930,903.84 is: 4,044,529.60
Step by Step Solution
- Step 1: Write the proportion equation
5,378,344.97 : 7,421,900.06 = 2,930,903.84 : x - Step 2: Convert to fraction form
5,378,344.97/7,421,900.06 = 2,930,903.84/x - Step 3: Cross multiply
5,378,344.97x = 7,421,900.06 × 2,930,903.84 - Step 4: Simplify right side
5,378,344.97x = 21,752,875,411,832.24 - Step 5: Solve for x
x = 21,752,875,411,832.24/5,378,344.97 - Step 6: Final answer
x = 4,044,529.60
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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.