Finding the Fourth Proportional to 3,019,805.88, 4,167,206.37 and 1,643,154.99
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Solution
The fourth proportional to 3,019,805.88, 4,167,206.37 and 1,643,154.99 is: 2,267,485.47
Step by Step Solution
- Step 1: Write the proportion equation
3,019,805.88 : 4,167,206.37 = 1,643,154.99 : x - Step 2: Convert to fraction form
3,019,805.88/4,167,206.37 = 1,643,154.99/x - Step 3: Cross multiply
3,019,805.88x = 4,167,206.37 × 1,643,154.99 - Step 4: Simplify right side
3,019,805.88x = 6,847,365,941,225.29 - Step 5: Solve for x
x = 6,847,365,941,225.29/3,019,805.88 - Step 6: Final answer
x = 2,267,485.47
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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.