Finding the Fourth Proportional to 1,598,678.40, 2,394,518.40 and 1,388,726.40
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Solution
The fourth proportional to 1,598,678.40, 2,394,518.40 and 1,388,726.40 is: 2,080,049.94
Step by Step Solution
- Step 1: Write the proportion equation
1,598,678.40 : 2,394,518.40 = 1,388,726.40 : x - Step 2: Convert to fraction form
1,598,678.40/2,394,518.40 = 1,388,726.40/x - Step 3: Cross multiply
1,598,678.40x = 2,394,518.40 × 1,388,726.40 - Step 4: Simplify right side
1,598,678.40x = 3,325,330,917,365.76 - Step 5: Solve for x
x = 3,325,330,917,365.76/1,598,678.40 - Step 6: Final answer
x = 2,080,049.94
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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.