Finding the Fourth Proportional to 1,724,470.09, 2,379,769.43 and 999,737.98
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Solution
The fourth proportional to 1,724,470.09, 2,379,769.43 and 999,737.98 is: 1,379,638.82
Step by Step Solution
- Step 1: Write the proportion equation
1,724,470.09 : 2,379,769.43 = 999,737.98 : x - Step 2: Convert to fraction form
1,724,470.09/2,379,769.43 = 999,737.98/x - Step 3: Cross multiply
1,724,470.09x = 2,379,769.43 × 999,737.98 - Step 4: Simplify right side
1,724,470.09x = 2,379,145,871,865.84 - Step 5: Solve for x
x = 2,379,145,871,865.84/1,724,470.09 - Step 6: Final answer
x = 1,379,638.82
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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.