Finding the Fourth Proportional to 1,910,887.12, 2,866,706.52 and 631,442.98
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Solution
The fourth proportional to 1,910,887.12, 2,866,706.52 and 631,442.98 is: 947,288.66
Step by Step Solution
- Step 1: Write the proportion equation
1,910,887.12 : 2,866,706.52 = 631,442.98 : x - Step 2: Convert to fraction form
1,910,887.12/2,866,706.52 = 631,442.98/x - Step 3: Cross multiply
1,910,887.12x = 2,866,706.52 × 631,442.98 - Step 4: Simplify right side
1,910,887.12x = 1,810,161,707,774.23 - Step 5: Solve for x
x = 1,810,161,707,774.23/1,910,887.12 - Step 6: Final answer
x = 947,288.66
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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.