Finding the Fourth Proportional to 5,581,751.40, 8,367,312.65 and 1,792,577.07
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Solution
The fourth proportional to 5,581,751.40, 8,367,312.65 and 1,792,577.07 is: 2,687,158.87
Step by Step Solution
- Step 1: Write the proportion equation
5,581,751.40 : 8,367,312.65 = 1,792,577.07 : x - Step 2: Convert to fraction form
5,581,751.40/8,367,312.65 = 1,792,577.07/x - Step 3: Cross multiply
5,581,751.40x = 8,367,312.65 × 1,792,577.07 - Step 4: Simplify right side
5,581,751.40x = 14,999,052,784,948.05 - Step 5: Solve for x
x = 14,999,052,784,948.05/5,581,751.40 - Step 6: Final answer
x = 2,687,158.87
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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.