Finding the Fourth Proportional to 3,135,108.42, 4,326,393.60 and 1,758,455.10
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Solution
The fourth proportional to 3,135,108.42, 4,326,393.60 and 1,758,455.10 is: 2,426,636.62
Step by Step Solution
- Step 1: Write the proportion equation
3,135,108.42 : 4,326,393.60 = 1,758,455.10 : x - Step 2: Convert to fraction form
3,135,108.42/4,326,393.60 = 1,758,455.10/x - Step 3: Cross multiply
3,135,108.42x = 4,326,393.60 × 1,758,455.10 - Step 4: Simplify right side
3,135,108.42x = 7,607,768,890,527.36 - Step 5: Solve for x
x = 7,607,768,890,527.36/3,135,108.42 - Step 6: Final answer
x = 2,426,636.62
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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.