Finding the Fourth Proportional to 4,038,014.72, 5,572,449.60 and 2,319,246.72
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Solution
The fourth proportional to 4,038,014.72, 5,572,449.60 and 2,319,246.72 is: 3,200,554.32
Step by Step Solution
- Step 1: Write the proportion equation
4,038,014.72 : 5,572,449.60 = 2,319,246.72 : x - Step 2: Convert to fraction form
4,038,014.72/5,572,449.60 = 2,319,246.72/x - Step 3: Cross multiply
4,038,014.72x = 5,572,449.60 × 2,319,246.72 - Step 4: Simplify right side
4,038,014.72x = 12,923,885,457,165.31 - Step 5: Solve for x
x = 12,923,885,457,165.31/4,038,014.72 - Step 6: Final answer
x = 3,200,554.32
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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.