Finding the Fourth Proportional to 2,696,588.80, 3,722,787.20 and 1,838,410.08
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Solution
The fourth proportional to 2,696,588.80, 3,722,787.20 and 1,838,410.08 is: 2,538,024.90
Step by Step Solution
- Step 1: Write the proportion equation
2,696,588.80 : 3,722,787.20 = 1,838,410.08 : x - Step 2: Convert to fraction form
2,696,588.80/3,722,787.20 = 1,838,410.08/x - Step 3: Cross multiply
2,696,588.80x = 3,722,787.20 × 1,838,410.08 - Step 4: Simplify right side
2,696,588.80x = 6,844,009,514,174.98 - Step 5: Solve for x
x = 6,844,009,514,174.98/2,696,588.80 - Step 6: Final answer
x = 2,538,024.90
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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.