Finding the Fourth Proportional to 1,389,567.28, 2,082,905.84 and 537,224.35
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Solution
The fourth proportional to 1,389,567.28, 2,082,905.84 and 537,224.35 is: 805,277.84
Step by Step Solution
- Step 1: Write the proportion equation
1,389,567.28 : 2,082,905.84 = 537,224.35 : x - Step 2: Convert to fraction form
1,389,567.28/2,082,905.84 = 537,224.35/x - Step 3: Cross multiply
1,389,567.28x = 2,082,905.84 × 537,224.35 - Step 4: Simplify right side
1,389,567.28x = 1,118,987,733,319.08 - Step 5: Solve for x
x = 1,118,987,733,319.08/1,389,567.28 - Step 6: Final answer
x = 805,277.84
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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.