Finding the Fourth Proportional to 6,343,805.07, 8,754,428.84 and 3,443,195.79
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Solution
The fourth proportional to 6,343,805.07, 8,754,428.84 and 3,443,195.79 is: 4,751,598.16
Step by Step Solution
- Step 1: Write the proportion equation
6,343,805.07 : 8,754,428.84 = 3,443,195.79 : x - Step 2: Convert to fraction form
6,343,805.07/8,754,428.84 = 3,443,195.79/x - Step 3: Cross multiply
6,343,805.07x = 8,754,428.84 × 3,443,195.79 - Step 4: Simplify right side
6,343,805.07x = 30,143,212,508,526.61 - Step 5: Solve for x
x = 30,143,212,508,526.61/6,343,805.07 - Step 6: Final answer
x = 4,751,598.16
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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.