Finding the Fourth Proportional to 4,721,330.60, 7,072,664.70 and 2,587,596.20
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Solution
The fourth proportional to 4,721,330.60, 7,072,664.70 and 2,587,596.20 is: 3,876,280.20
Step by Step Solution
- Step 1: Write the proportion equation
4,721,330.60 : 7,072,664.70 = 2,587,596.20 : x - Step 2: Convert to fraction form
4,721,330.60/7,072,664.70 = 2,587,596.20/x - Step 3: Cross multiply
4,721,330.60x = 7,072,664.70 × 2,587,596.20 - Step 4: Simplify right side
4,721,330.60x = 18,301,200,301,594.14 - Step 5: Solve for x
x = 18,301,200,301,594.14/4,721,330.60 - Step 6: Final answer
x = 3,876,280.20
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1.5x scale
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.