Finding the Fourth Proportional to 1,724,164.80, 2,379,636.96 and 999,465.84
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Solution
The fourth proportional to 1,724,164.80, 2,379,636.96 and 999,465.84 is: 1,379,430.70
Step by Step Solution
- Step 1: Write the proportion equation
1,724,164.80 : 2,379,636.96 = 999,465.84 : x - Step 2: Convert to fraction form
1,724,164.80/2,379,636.96 = 999,465.84/x - Step 3: Cross multiply
1,724,164.80x = 2,379,636.96 × 999,465.84 - Step 4: Simplify right side
1,724,164.80x = 2,378,365,853,121.45 - Step 5: Solve for x
x = 2,378,365,853,121.45/1,724,164.80 - Step 6: Final answer
x = 1,379,430.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.