Finding the Fourth Proportional to 2,980,490.76, 4,471,056.08 and 1,274,811.18
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Solution
The fourth proportional to 2,980,490.76, 4,471,056.08 and 1,274,811.18 is: 1,912,353.61
Step by Step Solution
- Step 1: Write the proportion equation
2,980,490.76 : 4,471,056.08 = 1,274,811.18 : x - Step 2: Convert to fraction form
2,980,490.76/4,471,056.08 = 1,274,811.18/x - Step 3: Cross multiply
2,980,490.76x = 4,471,056.08 × 1,274,811.18 - Step 4: Simplify right side
2,980,490.76x = 5,699,752,277,190.98 - Step 5: Solve for x
x = 5,699,752,277,190.98/2,980,490.76 - Step 6: Final answer
x = 1,912,353.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.