Finding the Fourth Proportional to 4,239,520.79, 6,330,564.73 and 3,365,145.93
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Solution
The fourth proportional to 4,239,520.79, 6,330,564.73 and 3,365,145.93 is: 5,024,925.03
Step by Step Solution
- Step 1: Write the proportion equation
4,239,520.79 : 6,330,564.73 = 3,365,145.93 : x - Step 2: Convert to fraction form
4,239,520.79/6,330,564.73 = 3,365,145.93/x - Step 3: Cross multiply
4,239,520.79x = 6,330,564.73 × 3,365,145.93 - Step 4: Simplify right side
4,239,520.79x = 21,303,274,111,521.77 - Step 5: Solve for x
x = 21,303,274,111,521.77/4,239,520.79 - Step 6: Final answer
x = 5,024,925.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.