Finding the Fourth Proportional to 4,118,693.96, 6,177,974.76 and 1,278,808.88
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Solution
The fourth proportional to 4,118,693.96, 6,177,974.76 and 1,278,808.88 is: 1,918,192.77
Step by Step Solution
- Step 1: Write the proportion equation
4,118,693.96 : 6,177,974.76 = 1,278,808.88 : x - Step 2: Convert to fraction form
4,118,693.96/6,177,974.76 = 1,278,808.88/x - Step 3: Cross multiply
4,118,693.96x = 6,177,974.76 × 1,278,808.88 - Step 4: Simplify right side
4,118,693.96x = 7,900,448,983,503.87 - Step 5: Solve for x
x = 7,900,448,983,503.87/4,118,693.96 - Step 6: Final answer
x = 1,918,192.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.