Finding the Fourth Proportional to 1,438,204.55, 2,156,746.19 and 539,155.73
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Solution
The fourth proportional to 1,438,204.55, 2,156,746.19 and 539,155.73 is: 808,523.42
Step by Step Solution
- Step 1: Write the proportion equation
1,438,204.55 : 2,156,746.19 = 539,155.73 : x - Step 2: Convert to fraction form
1,438,204.55/2,156,746.19 = 539,155.73/x - Step 3: Cross multiply
1,438,204.55x = 2,156,746.19 × 539,155.73 - Step 4: Simplify right side
1,438,204.55x = 1,162,822,069,190.26 - Step 5: Solve for x
x = 1,162,822,069,190.26/1,438,204.55 - Step 6: Final answer
x = 808,523.42
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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.