Finding the Fourth Proportional to 3,719,587.24, 5,132,816.58 and 2,087,842.60
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Solution
The fourth proportional to 3,719,587.24, 5,132,816.58 and 2,087,842.60 is: 2,881,102.77
Step by Step Solution
- Step 1: Write the proportion equation
3,719,587.24 : 5,132,816.58 = 2,087,842.60 : x - Step 2: Convert to fraction form
3,719,587.24/5,132,816.58 = 2,087,842.60/x - Step 3: Cross multiply
3,719,587.24x = 5,132,816.58 × 2,087,842.60 - Step 4: Simplify right side
3,719,587.24x = 10,716,513,113,710.31 - Step 5: Solve for x
x = 10,716,513,113,710.31/3,719,587.24 - Step 6: Final answer
x = 2,881,102.77
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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.