Finding the Fourth Proportional to 3,798,484.56, 5,242,646.43 and 2,879,110.08
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Solution
The fourth proportional to 3,798,484.56, 5,242,646.43 and 2,879,110.08 is: 3,973,731.09
Step by Step Solution
- Step 1: Write the proportion equation
3,798,484.56 : 5,242,646.43 = 2,879,110.08 : x - Step 2: Convert to fraction form
3,798,484.56/5,242,646.43 = 2,879,110.08/x - Step 3: Cross multiply
3,798,484.56x = 5,242,646.43 × 2,879,110.08 - Step 4: Simplify right side
3,798,484.56x = 15,094,156,182,489.01 - Step 5: Solve for x
x = 15,094,156,182,489.01/3,798,484.56 - Step 6: Final answer
x = 3,973,731.09
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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.