Finding the Fourth Proportional to 6,343,995.17, 8,754,722.19 and 3,443,386.70
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Solution
The fourth proportional to 6,343,995.17, 8,754,722.19 and 3,443,386.70 is: 4,751,878.45
Step by Step Solution
- Step 1: Write the proportion equation
6,343,995.17 : 8,754,722.19 = 3,443,386.70 : x - Step 2: Convert to fraction form
6,343,995.17/8,754,722.19 = 3,443,386.70/x - Step 3: Cross multiply
6,343,995.17x = 8,754,722.19 × 3,443,386.70 - Step 4: Simplify right side
6,343,995.17x = 30,145,893,951,240.87 - Step 5: Solve for x
x = 30,145,893,951,240.87/6,343,995.17 - Step 6: Final answer
x = 4,751,878.45
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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.