Finding the Fourth Proportional to 4,392,618.96, 6,587,384.80 and 1,317,692.92
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Solution
The fourth proportional to 4,392,618.96, 6,587,384.80 and 1,317,692.92 is: 1,976,076.32
Step by Step Solution
- Step 1: Write the proportion equation
4,392,618.96 : 6,587,384.80 = 1,317,692.92 : x - Step 2: Convert to fraction form
4,392,618.96/6,587,384.80 = 1,317,692.92/x - Step 3: Cross multiply
4,392,618.96x = 6,587,384.80 × 1,317,692.92 - Step 4: Simplify right side
4,392,618.96x = 8,680,150,312,275.62 - Step 5: Solve for x
x = 8,680,150,312,275.62/4,392,618.96 - Step 6: Final answer
x = 1,976,076.32
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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.