Finding the Fourth Proportional to 1,724,435.91, 2,379,722.22 and 999,703.80
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Solution
The fourth proportional to 1,724,435.91, 2,379,722.22 and 999,703.80 is: 1,379,591.63
Step by Step Solution
- Step 1: Write the proportion equation
1,724,435.91 : 2,379,722.22 = 999,703.80 : x - Step 2: Convert to fraction form
1,724,435.91/2,379,722.22 = 999,703.80/x - Step 3: Cross multiply
1,724,435.91x = 2,379,722.22 × 999,703.80 - Step 4: Simplify right side
1,724,435.91x = 2,379,017,346,278.44 - Step 5: Solve for x
x = 2,379,017,346,278.44/1,724,435.91 - Step 6: Final answer
x = 1,379,591.63
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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.