Finding the Fourth Proportional to 1,438,189.73, 2,156,724.17 and 539,141.06
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Solution
The fourth proportional to 1,438,189.73, 2,156,724.17 and 539,141.06 is: 808,501.51
Step by Step Solution
- Step 1: Write the proportion equation
1,438,189.73 : 2,156,724.17 = 539,141.06 : x - Step 2: Convert to fraction form
1,438,189.73/2,156,724.17 = 539,141.06/x - Step 3: Cross multiply
1,438,189.73x = 2,156,724.17 × 539,141.06 - Step 4: Simplify right side
1,438,189.73x = 1,162,778,562,891.97 - Step 5: Solve for x
x = 1,162,778,562,891.97/1,438,189.73 - Step 6: Final answer
x = 808,501.51
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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.