Finding the Fourth Proportional to 2,169,927.32, 2,994,596.92 and 1,239,716.42
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Solution
The fourth proportional to 2,169,927.32, 2,994,596.92 and 1,239,716.42 is: 1,710,864.20
Step by Step Solution
- Step 1: Write the proportion equation
2,169,927.32 : 2,994,596.92 = 1,239,716.42 : x - Step 2: Convert to fraction form
2,169,927.32/2,994,596.92 = 1,239,716.42/x - Step 3: Cross multiply
2,169,927.32x = 2,994,596.92 × 1,239,716.42 - Step 4: Simplify right side
2,169,927.32x = 3,712,450,977,392.63 - Step 5: Solve for x
x = 3,712,450,977,392.63/2,169,927.32 - Step 6: Final answer
x = 1,710,864.20
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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.