Finding the Fourth Proportional to 1,968,981.87, 2,716,949.84 and 1,097,602.70
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Solution
The fourth proportional to 1,968,981.87, 2,716,949.84 and 1,097,602.70 is: 1,514,555.07
Step by Step Solution
- Step 1: Write the proportion equation
1,968,981.87 : 2,716,949.84 = 1,097,602.70 : x - Step 2: Convert to fraction form
1,968,981.87/2,716,949.84 = 1,097,602.70/x - Step 3: Cross multiply
1,968,981.87x = 2,716,949.84 × 1,097,602.70 - Step 4: Simplify right side
1,968,981.87x = 2,982,131,480,148.57 - Step 5: Solve for x
x = 2,982,131,480,148.57/1,968,981.87 - Step 6: Final answer
x = 1,514,555.07
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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.