Finding the Fourth Proportional to 1,884,468.12, 2,601,027.90 and 1,069,149.06
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Solution
The fourth proportional to 1,884,468.12, 2,601,027.90 and 1,069,149.06 is: 1,475,687.75
Step by Step Solution
- Step 1: Write the proportion equation
1,884,468.12 : 2,601,027.90 = 1,069,149.06 : x - Step 2: Convert to fraction form
1,884,468.12/2,601,027.90 = 1,069,149.06/x - Step 3: Cross multiply
1,884,468.12x = 2,601,027.90 × 1,069,149.06 - Step 4: Simplify right side
1,884,468.12x = 2,780,886,521,313.63 - Step 5: Solve for x
x = 2,780,886,521,313.63/1,884,468.12 - Step 6: Final answer
x = 1,475,687.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.