Finding the Fourth Proportional to 2,159,156.35, 3,239,191.22 and 811,330.63
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Solution
The fourth proportional to 2,159,156.35, 3,239,191.22 and 811,330.63 is: 1,217,167.55
Step by Step Solution
- Step 1: Write the proportion equation
2,159,156.35 : 3,239,191.22 = 811,330.63 : x - Step 2: Convert to fraction form
2,159,156.35/3,239,191.22 = 811,330.63/x - Step 3: Cross multiply
2,159,156.35x = 3,239,191.22 × 811,330.63 - Step 4: Simplify right side
2,159,156.35x = 2,628,055,041,058.44 - Step 5: Solve for x
x = 2,628,055,041,058.44/2,159,156.35 - Step 6: Final answer
x = 1,217,167.55
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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.