Finding the Fourth Proportional to 6,109,163.80, 8,430,373.14 and 3,663,124.96
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Solution
The fourth proportional to 6,109,163.80, 8,430,373.14 and 3,663,124.96 is: 5,054,948.81
Step by Step Solution
- Step 1: Write the proportion equation
6,109,163.80 : 8,430,373.14 = 3,663,124.96 : x - Step 2: Convert to fraction form
6,109,163.80/8,430,373.14 = 3,663,124.96/x - Step 3: Cross multiply
6,109,163.80x = 8,430,373.14 × 3,663,124.96 - Step 4: Simplify right side
6,109,163.80x = 30,881,510,271,247.58 - Step 5: Solve for x
x = 30,881,510,271,247.58/6,109,163.80 - Step 6: Final answer
x = 5,054,948.81
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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.