Finding the Fourth Proportional to 2,090,810.69, 2,885,492.66 and 1,160,605.99
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Solution
The fourth proportional to 2,090,810.69, 2,885,492.66 and 1,160,605.99 is: 1,601,732.80
Step by Step Solution
- Step 1: Write the proportion equation
2,090,810.69 : 2,885,492.66 = 1,160,605.99 : x - Step 2: Convert to fraction form
2,090,810.69/2,885,492.66 = 1,160,605.99/x - Step 3: Cross multiply
2,090,810.69x = 2,885,492.66 × 1,160,605.99 - Step 4: Simplify right side
2,090,810.69x = 3,348,920,063,100.87 - Step 5: Solve for x
x = 3,348,920,063,100.87/2,090,810.69 - Step 6: Final answer
x = 1,601,732.80
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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.