Finding the Fourth Proportional to 1,556,929.70, 2,336,378.70 and 917,232.20
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Solution
The fourth proportional to 1,556,929.70, 2,336,378.70 and 917,232.20 is: 1,376,428.09
Step by Step Solution
- Step 1: Write the proportion equation
1,556,929.70 : 2,336,378.70 = 917,232.20 : x - Step 2: Convert to fraction form
1,556,929.70/2,336,378.70 = 917,232.20/x - Step 3: Cross multiply
1,556,929.70x = 2,336,378.70 × 917,232.20 - Step 4: Simplify right side
1,556,929.70x = 2,143,001,775,034.14 - Step 5: Solve for x
x = 2,143,001,775,034.14/1,556,929.70 - Step 6: Final answer
x = 1,376,428.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.