Finding the Fourth Proportional to 2,138,183.96, 2,950,695.06 and 1,171,349.24
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Solution
The fourth proportional to 2,138,183.96, 2,950,695.06 and 1,171,349.24 is: 1,616,462.61
Step by Step Solution
- Step 1: Write the proportion equation
2,138,183.96 : 2,950,695.06 = 1,171,349.24 : x - Step 2: Convert to fraction form
2,138,183.96/2,950,695.06 = 1,171,349.24/x - Step 3: Cross multiply
2,138,183.96x = 2,950,695.06 × 1,171,349.24 - Step 4: Simplify right side
2,138,183.96x = 3,456,294,416,002.75 - Step 5: Solve for x
x = 3,456,294,416,002.75/2,138,183.96 - Step 6: Final answer
x = 1,616,462.61
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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.