Finding the Fourth Proportional to 3,730,400.08, 5,147,952.36 and 2,120,768.08
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Solution
The fourth proportional to 3,730,400.08, 5,147,952.36 and 2,120,768.08 is: 2,926,660.09
Step by Step Solution
- Step 1: Write the proportion equation
3,730,400.08 : 5,147,952.36 = 2,120,768.08 : x - Step 2: Convert to fraction form
3,730,400.08/5,147,952.36 = 2,120,768.08/x - Step 3: Cross multiply
3,730,400.08x = 5,147,952.36 × 2,120,768.08 - Step 4: Simplify right side
3,730,400.08x = 10,917,613,042,448.67 - Step 5: Solve for x
x = 10,917,613,042,448.67/3,730,400.08 - Step 6: Final answer
x = 2,926,660.09
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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.