Finding the Fourth Proportional to 1,634,078.31, 2,451,117.68 and 436,005.08
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Solution
The fourth proportional to 1,634,078.31, 2,451,117.68 and 436,005.08 is: 654,007.68
Step by Step Solution
- Step 1: Write the proportion equation
1,634,078.31 : 2,451,117.68 = 436,005.08 : x - Step 2: Convert to fraction form
1,634,078.31/2,451,117.68 = 436,005.08/x - Step 3: Cross multiply
1,634,078.31x = 2,451,117.68 × 436,005.08 - Step 4: Simplify right side
1,634,078.31x = 1,068,699,756,548.91 - Step 5: Solve for x
x = 1,068,699,756,548.91/1,634,078.31 - Step 6: Final answer
x = 654,007.68
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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.