Finding the Fourth Proportional to 4,762,018.90, 6,571,639.20 and 2,802,330.10
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Solution
The fourth proportional to 4,762,018.90, 6,571,639.20 and 2,802,330.10 is: 3,867,246.80
Step by Step Solution
- Step 1: Write the proportion equation
4,762,018.90 : 6,571,639.20 = 2,802,330.10 : x - Step 2: Convert to fraction form
4,762,018.90/6,571,639.20 = 2,802,330.10/x - Step 3: Cross multiply
4,762,018.90x = 6,571,639.20 × 2,802,330.10 - Step 4: Simplify right side
4,762,018.90x = 18,415,902,336,499.92 - Step 5: Solve for x
x = 18,415,902,336,499.92/4,762,018.90 - Step 6: Final answer
x = 3,867,246.80
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1.5x scale
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.