Finding the Fourth Proportional to 3,841,859.58, 5,301,768.12 and 2,122,980.11
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Solution
The fourth proportional to 3,841,859.58, 5,301,768.12 and 2,122,980.11 is: 2,929,713.59
Step by Step Solution
- Step 1: Write the proportion equation
3,841,859.58 : 5,301,768.12 = 2,122,980.11 : x - Step 2: Convert to fraction form
3,841,859.58/5,301,768.12 = 2,122,980.11/x - Step 3: Cross multiply
3,841,859.58x = 5,301,768.12 × 2,122,980.11 - Step 4: Simplify right side
3,841,859.58x = 11,255,548,240,083.25 - Step 5: Solve for x
x = 11,255,548,240,083.25/3,841,859.58 - Step 6: Final answer
x = 2,929,713.59
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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.