Finding the Fourth Proportional to 1,520,502.08, 2,098,528.43 and 867,129.48
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Solution
The fourth proportional to 1,520,502.08, 2,098,528.43 and 867,129.48 is: 1,196,773.02
Step by Step Solution
- Step 1: Write the proportion equation
1,520,502.08 : 2,098,528.43 = 867,129.48 : x - Step 2: Convert to fraction form
1,520,502.08/2,098,528.43 = 867,129.48/x - Step 3: Cross multiply
1,520,502.08x = 2,098,528.43 × 867,129.48 - Step 4: Simplify right side
1,520,502.08x = 1,819,695,861,935.47 - Step 5: Solve for x
x = 1,819,695,861,935.47/1,520,502.08 - Step 6: Final answer
x = 1,196,773.02
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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.