Finding the Fourth Proportional to 2,429,164.08, 3,642,618.60 and 1,418,585.40
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Solution
The fourth proportional to 2,429,164.08, 3,642,618.60 and 1,418,585.40 is: 2,127,219.65
Step by Step Solution
- Step 1: Write the proportion equation
2,429,164.08 : 3,642,618.60 = 1,418,585.40 : x - Step 2: Convert to fraction form
2,429,164.08/3,642,618.60 = 1,418,585.40/x - Step 3: Cross multiply
2,429,164.08x = 3,642,618.60 × 1,418,585.40 - Step 4: Simplify right side
2,429,164.08x = 5,167,365,563,728.44 - Step 5: Solve for x
x = 5,167,365,563,728.44/2,429,164.08 - Step 6: Final answer
x = 2,127,219.65
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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.