Finding the Fourth Proportional to 3,838,031.05, 5,294,262.51 and 2,479,904.05
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Solution
The fourth proportional to 3,838,031.05, 5,294,262.51 and 2,479,904.05 is: 3,420,832.94
Step by Step Solution
- Step 1: Write the proportion equation
3,838,031.05 : 5,294,262.51 = 2,479,904.05 : x - Step 2: Convert to fraction form
3,838,031.05/5,294,262.51 = 2,479,904.05/x - Step 3: Cross multiply
3,838,031.05x = 5,294,262.51 × 2,479,904.05 - Step 4: Simplify right side
3,838,031.05x = 13,129,263,014,676.99 - Step 5: Solve for x
x = 13,129,263,014,676.99/3,838,031.05 - Step 6: Final answer
x = 3,420,832.94
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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.