Finding the Fourth Proportional to 1,668,102.30, 2,301,775.11 and 1,184,490.99
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Solution
The fourth proportional to 1,668,102.30, 2,301,775.11 and 1,184,490.99 is: 1,634,451.24
Step by Step Solution
- Step 1: Write the proportion equation
1,668,102.30 : 2,301,775.11 = 1,184,490.99 : x - Step 2: Convert to fraction form
1,668,102.30/2,301,775.11 = 1,184,490.99/x - Step 3: Cross multiply
1,668,102.30x = 2,301,775.11 × 1,184,490.99 - Step 4: Simplify right side
1,668,102.30x = 2,726,431,878,801.26 - Step 5: Solve for x
x = 2,726,431,878,801.26/1,668,102.30 - Step 6: Final answer
x = 1,634,451.24
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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.