Finding the Fourth Proportional to 3,415,226.79, 5,122,840.19 and 1,285,788.63
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Solution
The fourth proportional to 3,415,226.79, 5,122,840.19 and 1,285,788.63 is: 1,928,682.95
Step by Step Solution
- Step 1: Write the proportion equation
3,415,226.79 : 5,122,840.19 = 1,285,788.63 : x - Step 2: Convert to fraction form
3,415,226.79/5,122,840.19 = 1,285,788.63/x - Step 3: Cross multiply
3,415,226.79x = 5,122,840.19 × 1,285,788.63 - Step 4: Simplify right side
3,415,226.79x = 6,586,889,689,623.31 - Step 5: Solve for x
x = 6,586,889,689,623.31/3,415,226.79 - Step 6: Final answer
x = 1,928,682.95
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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.