Finding the Fourth Proportional to 5,638,373.10, 8,455,664.22 and 2,043,387.36
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Solution
The fourth proportional to 5,638,373.10, 8,455,664.22 and 2,043,387.36 is: 3,064,394.12
Step by Step Solution
- Step 1: Write the proportion equation
5,638,373.10 : 8,455,664.22 = 2,043,387.36 : x - Step 2: Convert to fraction form
5,638,373.10/8,455,664.22 = 2,043,387.36/x - Step 3: Cross multiply
5,638,373.10x = 8,455,664.22 × 2,043,387.36 - Step 4: Simplify right side
5,638,373.10x = 17,278,197,387,552.26 - Step 5: Solve for x
x = 17,278,197,387,552.26/5,638,373.10 - Step 6: Final answer
x = 3,064,394.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.