Finding the Fourth Proportional to 2,047,235.01, 2,825,164.80 and 1,129,471.53
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Solution
The fourth proportional to 2,047,235.01, 2,825,164.80 and 1,129,471.53 is: 1,558,659.95
Step by Step Solution
- Step 1: Write the proportion equation
2,047,235.01 : 2,825,164.80 = 1,129,471.53 : x - Step 2: Convert to fraction form
2,047,235.01/2,825,164.80 = 1,129,471.53/x - Step 3: Cross multiply
2,047,235.01x = 2,825,164.80 × 1,129,471.53 - Step 4: Simplify right side
2,047,235.01x = 3,190,943,209,158.14 - Step 5: Solve for x
x = 3,190,943,209,158.14/2,047,235.01 - Step 6: Final answer
x = 1,558,659.95
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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.