Finding the Fourth Proportional to 5,819,871.84, 8,031,826.80 and 3,528,129.12
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Solution
The fourth proportional to 5,819,871.84, 8,031,826.80 and 3,528,129.12 is: 4,869,062.89
Step by Step Solution
- Step 1: Write the proportion equation
5,819,871.84 : 8,031,826.80 = 3,528,129.12 : x - Step 2: Convert to fraction form
5,819,871.84/8,031,826.80 = 3,528,129.12/x - Step 3: Cross multiply
5,819,871.84x = 8,031,826.80 × 3,528,129.12 - Step 4: Simplify right side
5,819,871.84x = 28,337,322,019,876.42 - Step 5: Solve for x
x = 28,337,322,019,876.42/5,819,871.84 - Step 6: Final answer
x = 4,869,062.89
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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.