Finding the Fourth Proportional to 1,507,819.92, 2,081,276.40 and 965,416.56
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Solution
The fourth proportional to 1,507,819.92, 2,081,276.40 and 965,416.56 is: 1,332,585.33
Step by Step Solution
- Step 1: Write the proportion equation
1,507,819.92 : 2,081,276.40 = 965,416.56 : x - Step 2: Convert to fraction form
1,507,819.92/2,081,276.40 = 965,416.56/x - Step 3: Cross multiply
1,507,819.92x = 2,081,276.40 × 965,416.56 - Step 4: Simplify right side
1,507,819.92x = 2,009,298,702,497.18 - Step 5: Solve for x
x = 2,009,298,702,497.18/1,507,819.92 - Step 6: Final answer
x = 1,332,585.33
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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.