Finding the Fourth Proportional to 5,408,345.84, 8,100,855.96 and 5,090,366.98
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Solution
The fourth proportional to 5,408,345.84, 8,100,855.96 and 5,090,366.98 is: 7,624,573.37
Step by Step Solution
- Step 1: Write the proportion equation
5,408,345.84 : 8,100,855.96 = 5,090,366.98 : x - Step 2: Convert to fraction form
5,408,345.84/8,100,855.96 = 5,090,366.98/x - Step 3: Cross multiply
5,408,345.84x = 8,100,855.96 × 5,090,366.98 - Step 4: Simplify right side
5,408,345.84x = 41,236,329,688,520.20 - Step 5: Solve for x
x = 41,236,329,688,520.20/5,408,345.84 - Step 6: Final answer
x = 7,624,573.37
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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.