Finding the Fourth Proportional to 1,974,461.75, 2,961,692.66 and 478,553.75
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Solution
The fourth proportional to 1,974,461.75, 2,961,692.66 and 478,553.75 is: 717,830.64
Step by Step Solution
- Step 1: Write the proportion equation
1,974,461.75 : 2,961,692.66 = 478,553.75 : x - Step 2: Convert to fraction form
1,974,461.75/2,961,692.66 = 478,553.75/x - Step 3: Cross multiply
1,974,461.75x = 2,961,692.66 × 478,553.75 - Step 4: Simplify right side
1,974,461.75x = 1,417,329,137,391.09 - Step 5: Solve for x
x = 1,417,329,137,391.09/1,974,461.75 - Step 6: Final answer
x = 717,830.64
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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.