Finding the Fourth Proportional to 6,355,197.84, 8,768,157.48 and 3,942,149.52
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Solution
The fourth proportional to 6,355,197.84, 8,768,157.48 and 3,942,149.52 is: 5,438,916.09
Step by Step Solution
- Step 1: Write the proportion equation
6,355,197.84 : 8,768,157.48 = 3,942,149.52 : x - Step 2: Convert to fraction form
6,355,197.84/8,768,157.48 = 3,942,149.52/x - Step 3: Cross multiply
6,355,197.84x = 8,768,157.48 × 3,942,149.52 - Step 4: Simplify right side
6,355,197.84x = 34,565,387,801,066.41 - Step 5: Solve for x
x = 34,565,387,801,066.41/6,355,197.84 - Step 6: Final answer
x = 5,438,916.09
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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.