Finding the Fourth Proportional to 3,519,499.08, 4,856,908.74 and 1,909,867.08
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Solution
The fourth proportional to 3,519,499.08, 4,856,908.74 and 1,909,867.08 is: 2,635,616.58
Step by Step Solution
- Step 1: Write the proportion equation
3,519,499.08 : 4,856,908.74 = 1,909,867.08 : x - Step 2: Convert to fraction form
3,519,499.08/4,856,908.74 = 1,909,867.08/x - Step 3: Cross multiply
3,519,499.08x = 4,856,908.74 × 1,909,867.08 - Step 4: Simplify right side
3,519,499.08x = 9,276,050,124,141.69 - Step 5: Solve for x
x = 9,276,050,124,141.69/3,519,499.08 - Step 6: Final answer
x = 2,635,616.58
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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.