Finding the Fourth Proportional to 4,775,869.40, 7,163,859.38 and 2,043,045.23
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Solution
The fourth proportional to 4,775,869.40, 7,163,859.38 and 2,043,045.23 is: 3,064,591.49
Step by Step Solution
- Step 1: Write the proportion equation
4,775,869.40 : 7,163,859.38 = 2,043,045.23 : x - Step 2: Convert to fraction form
4,775,869.40/7,163,859.38 = 2,043,045.23/x - Step 3: Cross multiply
4,775,869.40x = 7,163,859.38 × 2,043,045.23 - Step 4: Simplify right side
4,775,869.40x = 14,636,088,688,665.23 - Step 5: Solve for x
x = 14,636,088,688,665.23/4,775,869.40 - Step 6: Final answer
x = 3,064,591.49
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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.