Finding the Fourth Proportional to 4,392,619.96, 6,587,386.30 and 1,317,693.92
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Solution
The fourth proportional to 4,392,619.96, 6,587,386.30 and 1,317,693.92 is: 1,976,077.82
Step by Step Solution
- Step 1: Write the proportion equation
4,392,619.96 : 6,587,386.30 = 1,317,693.92 : x - Step 2: Convert to fraction form
4,392,619.96/6,587,386.30 = 1,317,693.92/x - Step 3: Cross multiply
4,392,619.96x = 6,587,386.30 × 1,317,693.92 - Step 4: Simplify right side
4,392,619.96x = 8,680,158,876,201.30 - Step 5: Solve for x
x = 8,680,158,876,201.30/4,392,619.96 - Step 6: Final answer
x = 1,976,077.82
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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.