Finding the Fourth Proportional to 2,248,725.80, 3,103,232.36 and 1,216,234.74
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Solution
The fourth proportional to 2,248,725.80, 3,103,232.36 and 1,216,234.74 is: 1,678,398.95
Step by Step Solution
- Step 1: Write the proportion equation
2,248,725.80 : 3,103,232.36 = 1,216,234.74 : x - Step 2: Convert to fraction form
2,248,725.80/3,103,232.36 = 1,216,234.74/x - Step 3: Cross multiply
2,248,725.80x = 3,103,232.36 × 1,216,234.74 - Step 4: Simplify right side
2,248,725.80x = 3,774,259,014,921.45 - Step 5: Solve for x
x = 3,774,259,014,921.45/2,248,725.80 - Step 6: Final answer
x = 1,678,398.95
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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.