Finding the Fourth Proportional to 3,535,657.30, 4,879,239.25 and 2,140,250.99
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Solution
The fourth proportional to 3,535,657.30, 4,879,239.25 and 2,140,250.99 is: 2,953,565.85
Step by Step Solution
- Step 1: Write the proportion equation
3,535,657.30 : 4,879,239.25 = 2,140,250.99 : x - Step 2: Convert to fraction form
3,535,657.30/4,879,239.25 = 2,140,250.99/x - Step 3: Cross multiply
3,535,657.30x = 4,879,239.25 × 2,140,250.99 - Step 4: Simplify right side
3,535,657.30x = 10,442,796,642,106.83 - Step 5: Solve for x
x = 10,442,796,642,106.83/3,535,657.30 - Step 6: Final answer
x = 2,953,565.85
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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.