Finding the Fourth Proportional to 1,721,909.23, 2,582,778.40 and 642,337.67
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Solution
The fourth proportional to 1,721,909.23, 2,582,778.40 and 642,337.67 is: 963,474.63
Step by Step Solution
- Step 1: Write the proportion equation
1,721,909.23 : 2,582,778.40 = 642,337.67 : x - Step 2: Convert to fraction form
1,721,909.23/2,582,778.40 = 642,337.67/x - Step 3: Cross multiply
1,721,909.23x = 2,582,778.40 × 642,337.67 - Step 4: Simplify right side
1,721,909.23x = 1,659,015,864,433.43 - Step 5: Solve for x
x = 1,659,015,864,433.43/1,721,909.23 - Step 6: Final answer
x = 963,474.63
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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.