Finding the Fourth Proportional to 1,769,449.20, 2,650,237.20 and 1,454,521.20
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Solution
The fourth proportional to 1,769,449.20, 2,650,237.20 and 1,454,521.20 is: 2,178,545.84
Step by Step Solution
- Step 1: Write the proportion equation
1,769,449.20 : 2,650,237.20 = 1,454,521.20 : x - Step 2: Convert to fraction form
1,769,449.20/2,650,237.20 = 1,454,521.20/x - Step 3: Cross multiply
1,769,449.20x = 2,650,237.20 × 1,454,521.20 - Step 4: Simplify right side
1,769,449.20x = 3,854,826,192,428.64 - Step 5: Solve for x
x = 3,854,826,192,428.64/1,769,449.20 - Step 6: Final answer
x = 2,178,545.84
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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.