Finding the Fourth Proportional to 2,168,534.04, 2,992,594.57 and 1,201,680.47
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Solution
The fourth proportional to 2,168,534.04, 2,992,594.57 and 1,201,680.47 is: 1,658,328.79
Step by Step Solution
- Step 1: Write the proportion equation
2,168,534.04 : 2,992,594.57 = 1,201,680.47 : x - Step 2: Convert to fraction form
2,168,534.04/2,992,594.57 = 1,201,680.47/x - Step 3: Cross multiply
2,168,534.04x = 2,992,594.57 × 1,201,680.47 - Step 4: Simplify right side
2,168,534.04x = 3,596,142,431,429.87 - Step 5: Solve for x
x = 3,596,142,431,429.87/2,168,534.04 - Step 6: Final answer
x = 1,658,328.79
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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.