Finding the Fourth Proportional to 1,438,251.32, 2,156,816.26 and 539,202.96
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Solution
The fourth proportional to 1,438,251.32, 2,156,816.26 and 539,202.96 is: 808,594.22
Step by Step Solution
- Step 1: Write the proportion equation
1,438,251.32 : 2,156,816.26 = 539,202.96 : x - Step 2: Convert to fraction form
1,438,251.32/2,156,816.26 = 539,202.96/x - Step 3: Cross multiply
1,438,251.32x = 2,156,816.26 × 539,202.96 - Step 4: Simplify right side
1,438,251.32x = 1,162,961,712,242.13 - Step 5: Solve for x
x = 1,162,961,712,242.13/1,438,251.32 - Step 6: Final answer
x = 808,594.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.