Finding the Fourth Proportional to 3,838,208.88, 5,296,750.68 and 2,119,296.88
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Solution
The fourth proportional to 3,838,208.88, 5,296,750.68 and 2,119,296.88 is: 2,924,642.08
Step by Step Solution
- Step 1: Write the proportion equation
3,838,208.88 : 5,296,750.68 = 2,119,296.88 : x - Step 2: Convert to fraction form
3,838,208.88/5,296,750.68 = 2,119,296.88/x - Step 3: Cross multiply
3,838,208.88x = 5,296,750.68 × 2,119,296.88 - Step 4: Simplify right side
3,838,208.88x = 11,225,387,190,261.88 - Step 5: Solve for x
x = 11,225,387,190,261.88/3,838,208.88 - Step 6: Final answer
x = 2,924,642.08
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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.