Finding the Fourth Proportional to 3,096,813.99, 4,645,267.68 and 1,075,122.09
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Solution
The fourth proportional to 3,096,813.99, 4,645,267.68 and 1,075,122.09 is: 1,612,699.35
Step by Step Solution
- Step 1: Write the proportion equation
3,096,813.99 : 4,645,267.68 = 1,075,122.09 : x - Step 2: Convert to fraction form
3,096,813.99/4,645,267.68 = 1,075,122.09/x - Step 3: Cross multiply
3,096,813.99x = 4,645,267.68 × 1,075,122.09 - Step 4: Simplify right side
3,096,813.99x = 4,994,229,896,731.05 - Step 5: Solve for x
x = 4,994,229,896,731.05/3,096,813.99 - Step 6: Final answer
x = 1,612,699.35
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1.5x scale
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.