Finding the Fourth Proportional to 1,963,138.51, 2,944,744.67 and 615,271.28
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Solution
The fourth proportional to 1,963,138.51, 2,944,744.67 and 615,271.28 is: 922,918.48
Step by Step Solution
- Step 1: Write the proportion equation
1,963,138.51 : 2,944,744.67 = 615,271.28 : x - Step 2: Convert to fraction form
1,963,138.51/2,944,744.67 = 615,271.28/x - Step 3: Cross multiply
1,963,138.51x = 2,944,744.67 × 615,271.28 - Step 4: Simplify right side
1,963,138.51x = 1,811,816,809,198.53 - Step 5: Solve for x
x = 1,811,816,809,198.53/1,963,138.51 - Step 6: Final answer
x = 922,918.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.