Finding the Fourth Proportional to 2,163,950.73, 3,243,816.81 and 902,139.21
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Solution
The fourth proportional to 2,163,950.73, 3,243,816.81 and 902,139.21 is: 1,352,329.47
Step by Step Solution
- Step 1: Write the proportion equation
2,163,950.73 : 3,243,816.81 = 902,139.21 : x - Step 2: Convert to fraction form
2,163,950.73/3,243,816.81 = 902,139.21/x - Step 3: Cross multiply
2,163,950.73x = 3,243,816.81 × 902,139.21 - Step 4: Simplify right side
2,163,950.73x = 2,926,374,334,358.12 - Step 5: Solve for x
x = 2,926,374,334,358.12/2,163,950.73 - Step 6: Final answer
x = 1,352,329.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.