Finding the Fourth Proportional to 2,708,829.28, 3,738,226.62 and 1,485,246.52
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Solution
The fourth proportional to 2,708,829.28, 3,738,226.62 and 1,485,246.52 is: 2,049,663.34
Step by Step Solution
- Step 1: Write the proportion equation
2,708,829.28 : 3,738,226.62 = 1,485,246.52 : x - Step 2: Convert to fraction form
2,708,829.28/3,738,226.62 = 1,485,246.52/x - Step 3: Cross multiply
2,708,829.28x = 3,738,226.62 × 1,485,246.52 - Step 4: Simplify right side
2,708,829.28x = 5,552,188,078,326.36 - Step 5: Solve for x
x = 5,552,188,078,326.36/2,708,829.28 - Step 6: Final answer
x = 2,049,663.34
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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.