Finding the Fourth Proportional to 1,786,313.66, 2,465,502.60 and 1,098,577.18
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Solution
The fourth proportional to 1,786,313.66, 2,465,502.60 and 1,098,577.18 is: 1,516,276.21
Step by Step Solution
- Step 1: Write the proportion equation
1,786,313.66 : 2,465,502.60 = 1,098,577.18 : x - Step 2: Convert to fraction form
1,786,313.66/2,465,502.60 = 1,098,577.18/x - Step 3: Cross multiply
1,786,313.66x = 2,465,502.60 × 1,098,577.18 - Step 4: Simplify right side
1,786,313.66x = 2,708,544,900,792.21 - Step 5: Solve for x
x = 2,708,544,900,792.21/1,786,313.66 - Step 6: Final answer
x = 1,516,276.21
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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.