Finding the Fourth Proportional to 1,903,237.76, 2,626,501.80 and 1,043,790.56
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Solution
The fourth proportional to 1,903,237.76, 2,626,501.80 and 1,043,790.56 is: 1,440,449.45
Step by Step Solution
- Step 1: Write the proportion equation
1,903,237.76 : 2,626,501.80 = 1,043,790.56 : x - Step 2: Convert to fraction form
1,903,237.76/2,626,501.80 = 1,043,790.56/x - Step 3: Cross multiply
1,903,237.76x = 2,626,501.80 × 1,043,790.56 - Step 4: Simplify right side
1,903,237.76x = 2,741,517,784,663.01 - Step 5: Solve for x
x = 2,741,517,784,663.01/1,903,237.76 - Step 6: Final answer
x = 1,440,449.45
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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.