Finding the Fourth Proportional to 1,484,933.19, 2,049,238.49 and 840,353.28
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Solution
The fourth proportional to 1,484,933.19, 2,049,238.49 and 840,353.28 is: 1,159,704.89
Step by Step Solution
- Step 1: Write the proportion equation
1,484,933.19 : 2,049,238.49 = 840,353.28 : x - Step 2: Convert to fraction form
1,484,933.19/2,049,238.49 = 840,353.28/x - Step 3: Cross multiply
1,484,933.19x = 2,049,238.49 × 840,353.28 - Step 4: Simplify right side
1,484,933.19x = 1,722,084,282,371.98 - Step 5: Solve for x
x = 1,722,084,282,371.98/1,484,933.19 - Step 6: Final answer
x = 1,159,704.89
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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.