Finding the Fourth Proportional to 1,755,774.32, 2,423,165.49 and 991,877.09
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Solution
The fourth proportional to 1,755,774.32, 2,423,165.49 and 991,877.09 is: 1,368,901.63
Step by Step Solution
- Step 1: Write the proportion equation
1,755,774.32 : 2,423,165.49 = 991,877.09 : x - Step 2: Convert to fraction form
1,755,774.32/2,423,165.49 = 991,877.09/x - Step 3: Cross multiply
1,755,774.32x = 2,423,165.49 × 991,877.09 - Step 4: Simplify right side
1,755,774.32x = 2,403,482,334,809.62 - Step 5: Solve for x
x = 2,403,482,334,809.62/1,755,774.32 - Step 6: Final answer
x = 1,368,901.63
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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.