Finding the Fourth Proportional to 1,998,753.90, 2,998,340.99 and 651,021.54
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Solution
The fourth proportional to 1,998,753.90, 2,998,340.99 and 651,021.54 is: 976,600.75
Step by Step Solution
- Step 1: Write the proportion equation
1,998,753.90 : 2,998,340.99 = 651,021.54 : x - Step 2: Convert to fraction form
1,998,753.90/2,998,340.99 = 651,021.54/x - Step 3: Cross multiply
1,998,753.90x = 2,998,340.99 × 651,021.54 - Step 4: Simplify right side
1,998,753.90x = 1,951,984,565,499.82 - Step 5: Solve for x
x = 1,951,984,565,499.82/1,998,753.90 - Step 6: Final answer
x = 976,600.75
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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.