Finding the Fourth Proportional to 1,419,201.99, 2,129,141.93 and 472,580.91
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Solution
The fourth proportional to 1,419,201.99, 2,129,141.93 and 472,580.91 is: 708,984.23
Step by Step Solution
- Step 1: Write the proportion equation
1,419,201.99 : 2,129,141.93 = 472,580.91 : x - Step 2: Convert to fraction form
1,419,201.99/2,129,141.93 = 472,580.91/x - Step 3: Cross multiply
1,419,201.99x = 2,129,141.93 × 472,580.91 - Step 4: Simplify right side
1,419,201.99x = 1,006,191,828,435.65 - Step 5: Solve for x
x = 1,006,191,828,435.65/1,419,201.99 - Step 6: Final answer
x = 708,984.23
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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.