Finding the Fourth Proportional to 5,905,166.40, 8,857,288.80 and 2,310,235.20
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Solution
The fourth proportional to 5,905,166.40, 8,857,288.80 and 2,310,235.20 is: 3,465,172.52
Step by Step Solution
- Step 1: Write the proportion equation
5,905,166.40 : 8,857,288.80 = 2,310,235.20 : x - Step 2: Convert to fraction form
5,905,166.40/8,857,288.80 = 2,310,235.20/x - Step 3: Cross multiply
5,905,166.40x = 8,857,288.80 × 2,310,235.20 - Step 4: Simplify right side
5,905,166.40x = 20,462,420,362,325.76 - Step 5: Solve for x
x = 20,462,420,362,325.76/5,905,166.40 - Step 6: Final answer
x = 3,465,172.52
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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.