Finding the Fourth Proportional to 1,637,309.81, 2,456,227.16 and 690,819.95
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Solution
The fourth proportional to 1,637,309.81, 2,456,227.16 and 690,819.95 is: 1,036,340.66
Step by Step Solution
- Step 1: Write the proportion equation
1,637,309.81 : 2,456,227.16 = 690,819.95 : x - Step 2: Convert to fraction form
1,637,309.81/2,456,227.16 = 690,819.95/x - Step 3: Cross multiply
1,637,309.81x = 2,456,227.16 × 690,819.95 - Step 4: Simplify right side
1,637,309.81x = 1,696,810,723,859.84 - Step 5: Solve for x
x = 1,696,810,723,859.84/1,637,309.81 - Step 6: Final answer
x = 1,036,340.66
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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.