Finding the Fourth Proportional to 6,739,434.29, 9,299,380.06 and 3,838,455.34
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Solution
The fourth proportional to 6,739,434.29, 9,299,380.06 and 3,838,455.34 is: 5,296,476.45
Step by Step Solution
- Step 1: Write the proportion equation
6,739,434.29 : 9,299,380.06 = 3,838,455.34 : x - Step 2: Convert to fraction form
6,739,434.29/9,299,380.06 = 3,838,455.34/x - Step 3: Cross multiply
6,739,434.29x = 9,299,380.06 × 3,838,455.34 - Step 4: Simplify right side
6,739,434.29x = 35,695,255,031,546.13 - Step 5: Solve for x
x = 35,695,255,031,546.13/6,739,434.29 - Step 6: Final answer
x = 5,296,476.45
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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.