Finding the Fourth Proportional to 4,307,319.18, 6,457,068.19 and 2,149,004.42
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Solution
The fourth proportional to 4,307,319.18, 6,457,068.19 and 2,149,004.42 is: 3,221,555.57
Step by Step Solution
- Step 1: Write the proportion equation
4,307,319.18 : 6,457,068.19 = 2,149,004.42 : x - Step 2: Convert to fraction form
4,307,319.18/6,457,068.19 = 2,149,004.42/x - Step 3: Cross multiply
4,307,319.18x = 6,457,068.19 × 2,149,004.42 - Step 4: Simplify right side
4,307,319.18x = 13,876,268,080,551.40 - Step 5: Solve for x
x = 13,876,268,080,551.40/4,307,319.18 - Step 6: Final answer
x = 3,221,555.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.