Finding the Fourth Proportional to 1,933,979.99, 2,900,969.99 and 671,808.83
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Solution
The fourth proportional to 1,933,979.99, 2,900,969.99 and 671,808.83 is: 1,007,713.24
Step by Step Solution
- Step 1: Write the proportion equation
1,933,979.99 : 2,900,969.99 = 671,808.83 : x - Step 2: Convert to fraction form
1,933,979.99/2,900,969.99 = 671,808.83/x - Step 3: Cross multiply
1,933,979.99x = 2,900,969.99 × 671,808.83 - Step 4: Simplify right side
1,933,979.99x = 1,948,897,236,983.12 - Step 5: Solve for x
x = 1,948,897,236,983.12/1,933,979.99 - Step 6: Final answer
x = 1,007,713.24
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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.