Finding the Fourth Proportional to 1,438,205.68, 2,156,748.12 and 539,157.04
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Solution
The fourth proportional to 1,438,205.68, 2,156,748.12 and 539,157.04 is: 808,525.48
Step by Step Solution
- Step 1: Write the proportion equation
1,438,205.68 : 2,156,748.12 = 539,157.04 : x - Step 2: Convert to fraction form
1,438,205.68/2,156,748.12 = 539,157.04/x - Step 3: Cross multiply
1,438,205.68x = 2,156,748.12 × 539,157.04 - Step 4: Simplify right side
1,438,205.68x = 1,162,825,932,404.76 - Step 5: Solve for x
x = 1,162,825,932,404.76/1,438,205.68 - Step 6: Final answer
x = 808,525.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.