Finding the Fourth Proportional to 1,988,455.24, 2,983,125.66 and 726,280.84
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Solution
The fourth proportional to 1,988,455.24, 2,983,125.66 and 726,280.84 is: 1,089,582.99
Step by Step Solution
- Step 1: Write the proportion equation
1,988,455.24 : 2,983,125.66 = 726,280.84 : x - Step 2: Convert to fraction form
1,988,455.24/2,983,125.66 = 726,280.84/x - Step 3: Cross multiply
1,988,455.24x = 2,983,125.66 × 726,280.84 - Step 4: Simplify right side
1,988,455.24x = 2,166,587,010,170.35 - Step 5: Solve for x
x = 2,166,587,010,170.35/1,988,455.24 - Step 6: Final answer
x = 1,089,582.99
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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.