Finding the Fourth Proportional to 1,724,223.24, 2,379,327.62 and 1,267,256.88
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Solution
The fourth proportional to 1,724,223.24, 2,379,327.62 and 1,267,256.88 is: 1,748,740.66
Step by Step Solution
- Step 1: Write the proportion equation
1,724,223.24 : 2,379,327.62 = 1,267,256.88 : x - Step 2: Convert to fraction form
1,724,223.24/2,379,327.62 = 1,267,256.88/x - Step 3: Cross multiply
1,724,223.24x = 2,379,327.62 × 1,267,256.88 - Step 4: Simplify right side
1,724,223.24x = 3,015,219,289,882.74 - Step 5: Solve for x
x = 3,015,219,289,882.74/1,724,223.24 - Step 6: Final answer
x = 1,748,740.66
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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.