Finding the Fourth Proportional to 1,388,809.17, 2,082,092.72 and 1,276,708.37
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Solution
The fourth proportional to 1,388,809.17, 2,082,092.72 and 1,276,708.37 is: 1,914,031.99
Step by Step Solution
- Step 1: Write the proportion equation
1,388,809.17 : 2,082,092.72 = 1,276,708.37 : x - Step 2: Convert to fraction form
1,388,809.17/2,082,092.72 = 1,276,708.37/x - Step 3: Cross multiply
1,388,809.17x = 2,082,092.72 × 1,276,708.37 - Step 4: Simplify right side
1,388,809.17x = 2,658,225,185,946.06 - Step 5: Solve for x
x = 2,658,225,185,946.06/1,388,809.17 - Step 6: Final answer
x = 1,914,031.99
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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.