Finding the Fourth Proportional to 6,471,974.30, 9,705,438.23 and 2,426,256.63
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Solution
The fourth proportional to 6,471,974.30, 9,705,438.23 and 2,426,256.63 is: 3,638,439.02
Step by Step Solution
- Step 1: Write the proportion equation
6,471,974.30 : 9,705,438.23 = 2,426,256.63 : x - Step 2: Convert to fraction form
6,471,974.30/9,705,438.23 = 2,426,256.63/x - Step 3: Cross multiply
6,471,974.30x = 9,705,438.23 × 2,426,256.63 - Step 4: Simplify right side
6,471,974.30x = 23,547,883,840,461.68 - Step 5: Solve for x
x = 23,547,883,840,461.68/6,471,974.30 - Step 6: Final answer
x = 3,638,439.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.