Finding the Fourth Proportional to 1,417,404, 2,126,113.68 and 366,780
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Solution
The fourth proportional to 1,417,404, 2,126,113.68 and 366,780 is: 550,171.99
Step by Step Solution
- Step 1: Write the proportion equation
1,417,404 : 2,126,113.68 = 366,780 : x - Step 2: Convert to fraction form
1,417,404/2,126,113.68 = 366,780/x - Step 3: Cross multiply
1,417,404x = 2,126,113.68 × 366,780 - Step 4: Simplify right side
1,417,404x = 779,815,975,550.40 - Step 5: Solve for x
x = 779,815,975,550.40/1,417,404 - Step 6: Final answer
x = 550,171.99
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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.