Finding the Fourth Proportional to 1,964,315.70, 2,710,728.45 and 1,104,876.54
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Solution
The fourth proportional to 1,964,315.70, 2,710,728.45 and 1,104,876.54 is: 1,524,714.32
Step by Step Solution
- Step 1: Write the proportion equation
1,964,315.70 : 2,710,728.45 = 1,104,876.54 : x - Step 2: Convert to fraction form
1,964,315.70/2,710,728.45 = 1,104,876.54/x - Step 3: Cross multiply
1,964,315.70x = 2,710,728.45 × 1,104,876.54 - Step 4: Simplify right side
1,964,315.70x = 2,995,020,270,715.56 - Step 5: Solve for x
x = 2,995,020,270,715.56/1,964,315.70 - Step 6: Final answer
x = 1,524,714.32
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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.