Finding the Fourth Proportional to 1,389,566.84, 2,082,905.18 and 537,223.92
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Solution
The fourth proportional to 1,389,566.84, 2,082,905.18 and 537,223.92 is: 805,277.19
Step by Step Solution
- Step 1: Write the proportion equation
1,389,566.84 : 2,082,905.18 = 537,223.92 : x - Step 2: Convert to fraction form
1,389,566.84/2,082,905.18 = 537,223.92/x - Step 3: Cross multiply
1,389,566.84x = 2,082,905.18 × 537,223.92 - Step 4: Simplify right side
1,389,566.84x = 1,118,986,485,116.38 - Step 5: Solve for x
x = 1,118,986,485,116.38/1,389,566.84 - Step 6: Final answer
x = 805,277.19
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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.