Finding the Fourth Proportional to 1,724,469.13, 2,379,768.10 and 999,737.02
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Solution
The fourth proportional to 1,724,469.13, 2,379,768.10 and 999,737.02 is: 1,379,637.49
Step by Step Solution
- Step 1: Write the proportion equation
1,724,469.13 : 2,379,768.10 = 999,737.02 : x - Step 2: Convert to fraction form
1,724,469.13/2,379,768.10 = 999,737.02/x - Step 3: Cross multiply
1,724,469.13x = 2,379,768.10 × 999,737.02 - Step 4: Simplify right side
1,724,469.13x = 2,379,142,268,585.06 - Step 5: Solve for x
x = 2,379,142,268,585.06/1,724,469.13 - Step 6: Final answer
x = 1,379,637.49
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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.