Finding the Fourth Proportional to 2,975,708.20, 4,106,518.14 and 1,617,610.36
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Solution
The fourth proportional to 2,975,708.20, 4,106,518.14 and 1,617,610.36 is: 2,232,324.49
Step by Step Solution
- Step 1: Write the proportion equation
2,975,708.20 : 4,106,518.14 = 1,617,610.36 : x - Step 2: Convert to fraction form
2,975,708.20/4,106,518.14 = 1,617,610.36/x - Step 3: Cross multiply
2,975,708.20x = 4,106,518.14 × 1,617,610.36 - Step 4: Simplify right side
2,975,708.20x = 6,642,746,286,791.93 - Step 5: Solve for x
x = 6,642,746,286,791.93/2,975,708.20 - Step 6: Final answer
x = 2,232,324.49
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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.