Finding the Fourth Proportional to 1,619,294.99, 2,429,783.11 and 660,454.05
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Solution
The fourth proportional to 1,619,294.99, 2,429,783.11 and 660,454.05 is: 991,023.94
Step by Step Solution
- Step 1: Write the proportion equation
1,619,294.99 : 2,429,783.11 = 660,454.05 : x - Step 2: Convert to fraction form
1,619,294.99/2,429,783.11 = 660,454.05/x - Step 3: Cross multiply
1,619,294.99x = 2,429,783.11 × 660,454.05 - Step 4: Simplify right side
1,619,294.99x = 1,604,760,095,621.10 - Step 5: Solve for x
x = 1,604,760,095,621.10/1,619,294.99 - Step 6: Final answer
x = 991,023.94
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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.