Finding the Fourth Proportional to 1,437,620.40, 2,153,806.20 and 875,998.80
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Solution
The fourth proportional to 1,437,620.40, 2,153,806.20 and 875,998.80 is: 1,312,399.05
Step by Step Solution
- Step 1: Write the proportion equation
1,437,620.40 : 2,153,806.20 = 875,998.80 : x - Step 2: Convert to fraction form
1,437,620.40/2,153,806.20 = 875,998.80/x - Step 3: Cross multiply
1,437,620.40x = 2,153,806.20 × 875,998.80 - Step 4: Simplify right side
1,437,620.40x = 1,886,731,646,632.56 - Step 5: Solve for x
x = 1,886,731,646,632.56/1,437,620.40 - Step 6: Final answer
x = 1,312,399.05
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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.