Finding the Fourth Proportional to 3,578,622.21, 5,371,296.47 and 1,873,989.03
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Solution
The fourth proportional to 3,578,622.21, 5,371,296.47 and 1,873,989.03 is: 2,812,744.70
Step by Step Solution
- Step 1: Write the proportion equation
3,578,622.21 : 5,371,296.47 = 1,873,989.03 : x - Step 2: Convert to fraction form
3,578,622.21/5,371,296.47 = 1,873,989.03/x - Step 3: Cross multiply
3,578,622.21x = 5,371,296.47 × 1,873,989.03 - Step 4: Simplify right side
3,578,622.21x = 10,065,750,652,287.78 - Step 5: Solve for x
x = 10,065,750,652,287.78/3,578,622.21 - Step 6: Final answer
x = 2,812,744.70
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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.