Finding the Fourth Proportional to 3,173,280.18, 4,379,202.74 and 1,723,036.74
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Solution
The fourth proportional to 3,173,280.18, 4,379,202.74 and 1,723,036.74 is: 2,377,832.02
Step by Step Solution
- Step 1: Write the proportion equation
3,173,280.18 : 4,379,202.74 = 1,723,036.74 : x - Step 2: Convert to fraction form
3,173,280.18/4,379,202.74 = 1,723,036.74/x - Step 3: Cross multiply
3,173,280.18x = 4,379,202.74 × 1,723,036.74 - Step 4: Simplify right side
3,173,280.18x = 7,545,527,212,928.67 - Step 5: Solve for x
x = 7,545,527,212,928.67/3,173,280.18 - Step 6: Final answer
x = 2,377,832.02
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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.