Finding the Fourth Proportional to 2,592,134.78, 3,577,347.11 and 1,430,808.62
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Solution
The fourth proportional to 2,592,134.78, 3,577,347.11 and 1,430,808.62 is: 1,974,626.90
Step by Step Solution
- Step 1: Write the proportion equation
2,592,134.78 : 3,577,347.11 = 1,430,808.62 : x - Step 2: Convert to fraction form
2,592,134.78/3,577,347.11 = 1,430,808.62/x - Step 3: Cross multiply
2,592,134.78x = 3,577,347.11 × 1,430,808.62 - Step 4: Simplify right side
2,592,134.78x = 5,118,499,067,410.37 - Step 5: Solve for x
x = 5,118,499,067,410.37/2,592,134.78 - Step 6: Final answer
x = 1,974,626.90
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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.