Finding the Fourth Proportional to 1,755,771.94, 2,423,162.21 and 991,874.71
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Solution
The fourth proportional to 1,755,771.94, 2,423,162.21 and 991,874.71 is: 1,368,898.35
Step by Step Solution
- Step 1: Write the proportion equation
1,755,771.94 : 2,423,162.21 = 991,874.71 : x - Step 2: Convert to fraction form
1,755,771.94/2,423,162.21 = 991,874.71/x - Step 3: Cross multiply
1,755,771.94x = 2,423,162.21 × 991,874.71 - Step 4: Simplify right side
1,755,771.94x = 2,403,473,303,309.43 - Step 5: Solve for x
x = 2,403,473,303,309.43/1,755,771.94 - Step 6: Final answer
x = 1,368,898.35
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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.