Finding the Fourth Proportional to 6,365,645.86, 8,784,582.14 and 3,465,027.76
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Solution
The fourth proportional to 6,365,645.86, 8,784,582.14 and 3,465,027.76 is: 4,781,733.33
Step by Step Solution
- Step 1: Write the proportion equation
6,365,645.86 : 8,784,582.14 = 3,465,027.76 : x - Step 2: Convert to fraction form
6,365,645.86/8,784,582.14 = 3,465,027.76/x - Step 3: Cross multiply
6,365,645.86x = 8,784,582.14 × 3,465,027.76 - Step 4: Simplify right side
6,365,645.86x = 30,438,820,975,100.21 - Step 5: Solve for x
x = 30,438,820,975,100.21/6,365,645.86 - Step 6: Final answer
x = 4,781,733.33
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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.