Finding the Fourth Proportional to 6,698,272.11, 9,243,336.51 and 3,797,859.21
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Solution
The fourth proportional to 6,698,272.11, 9,243,336.51 and 3,797,859.21 is: 5,240,887.52
Step by Step Solution
- Step 1: Write the proportion equation
6,698,272.11 : 9,243,336.51 = 3,797,859.21 : x - Step 2: Convert to fraction form
6,698,272.11/9,243,336.51 = 3,797,859.21/x - Step 3: Cross multiply
6,698,272.11x = 9,243,336.51 × 3,797,859.21 - Step 4: Simplify right side
6,698,272.11x = 35,104,890,695,632.76 - Step 5: Solve for x
x = 35,104,890,695,632.76/6,698,272.11 - Step 6: Final answer
x = 5,240,887.52
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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.