Finding the Fourth Proportional to 1,786,201.96, 2,679,390.46 and 721,111.08
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Solution
The fourth proportional to 1,786,201.96, 2,679,390.46 and 721,111.08 is: 1,081,701.95
Step by Step Solution
- Step 1: Write the proportion equation
1,786,201.96 : 2,679,390.46 = 721,111.08 : x - Step 2: Convert to fraction form
1,786,201.96/2,679,390.46 = 721,111.08/x - Step 3: Cross multiply
1,786,201.96x = 2,679,390.46 × 721,111.08 - Step 4: Simplify right side
1,786,201.96x = 1,932,138,148,352.30 - Step 5: Solve for x
x = 1,932,138,148,352.30/1,786,201.96 - Step 6: Final answer
x = 1,081,701.95
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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.