Finding the Fourth Proportional to 3,715,113.08, 5,127,416.44 and 2,265,649.32
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Solution
The fourth proportional to 3,715,113.08, 5,127,416.44 and 2,265,649.32 is: 3,126,937.81
Step by Step Solution
- Step 1: Write the proportion equation
3,715,113.08 : 5,127,416.44 = 2,265,649.32 : x - Step 2: Convert to fraction form
3,715,113.08/5,127,416.44 = 2,265,649.32/x - Step 3: Cross multiply
3,715,113.08x = 5,127,416.44 × 2,265,649.32 - Step 4: Simplify right side
3,715,113.08x = 11,616,927,570,642.82 - Step 5: Solve for x
x = 11,616,927,570,642.82/3,715,113.08 - Step 6: Final answer
x = 3,126,937.81
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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.