Finding the Fourth Proportional to 2,756,188.08, 4,128,890.76 and 1,806,660.72
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Solution
The fourth proportional to 2,756,188.08, 4,128,890.76 and 1,806,660.72 is: 2,706,457.08
Step by Step Solution
- Step 1: Write the proportion equation
2,756,188.08 : 4,128,890.76 = 1,806,660.72 : x - Step 2: Convert to fraction form
2,756,188.08/4,128,890.76 = 1,806,660.72/x - Step 3: Cross multiply
2,756,188.08x = 4,128,890.76 × 1,806,660.72 - Step 4: Simplify right side
2,756,188.08x = 7,459,504,753,262.95 - Step 5: Solve for x
x = 7,459,504,753,262.95/2,756,188.08 - Step 6: Final answer
x = 2,706,457.08
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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.