Finding the Fourth Proportional to 3,135,178.23, 4,326,582.27 and 1,739,768.50
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Solution
The fourth proportional to 3,135,178.23, 4,326,582.27 and 1,739,768.50 is: 2,400,900.68
Step by Step Solution
- Step 1: Write the proportion equation
3,135,178.23 : 4,326,582.27 = 1,739,768.50 : x - Step 2: Convert to fraction form
3,135,178.23/4,326,582.27 = 1,739,768.50/x - Step 3: Cross multiply
3,135,178.23x = 4,326,582.27 × 1,739,768.50 - Step 4: Simplify right side
3,135,178.23x = 7,527,251,523,813.63 - Step 5: Solve for x
x = 7,527,251,523,813.63/3,135,178.23 - Step 6: Final answer
x = 2,400,900.68
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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.