Finding the Fourth Proportional to 1,545,617.83, 2,133,083.62 and 857,511.08
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Solution
The fourth proportional to 1,545,617.83, 2,133,083.62 and 857,511.08 is: 1,183,437.98
Step by Step Solution
- Step 1: Write the proportion equation
1,545,617.83 : 2,133,083.62 = 857,511.08 : x - Step 2: Convert to fraction form
1,545,617.83/2,133,083.62 = 857,511.08/x - Step 3: Cross multiply
1,545,617.83x = 2,133,083.62 × 857,511.08 - Step 4: Simplify right side
1,545,617.83x = 1,829,142,838,297.84 - Step 5: Solve for x
x = 1,829,142,838,297.84/1,545,617.83 - Step 6: Final answer
x = 1,183,437.98
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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.