Finding the Fourth Proportional to 1,621,830.11, 2,238,035.18 and 896,635.49
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Solution
The fourth proportional to 1,621,830.11, 2,238,035.18 and 896,635.49 is: 1,237,307.01
Step by Step Solution
- Step 1: Write the proportion equation
1,621,830.11 : 2,238,035.18 = 896,635.49 : x - Step 2: Convert to fraction form
1,621,830.11/2,238,035.18 = 896,635.49/x - Step 3: Cross multiply
1,621,830.11x = 2,238,035.18 × 896,635.49 - Step 4: Simplify right side
1,621,830.11x = 2,006,701,754,583.18 - Step 5: Solve for x
x = 2,006,701,754,583.18/1,621,830.11 - Step 6: Final answer
x = 1,237,307.01
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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.