Finding the Fourth Proportional to 1,806,478.19, 2,710,767.05 and 809,206.19
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Solution
The fourth proportional to 1,806,478.19, 2,710,767.05 and 809,206.19 is: 1,214,279.52
Step by Step Solution
- Step 1: Write the proportion equation
1,806,478.19 : 2,710,767.05 = 809,206.19 : x - Step 2: Convert to fraction form
1,806,478.19/2,710,767.05 = 809,206.19/x - Step 3: Cross multiply
1,806,478.19x = 2,710,767.05 × 809,206.19 - Step 4: Simplify right side
1,806,478.19x = 2,193,569,465,685.09 - Step 5: Solve for x
x = 2,193,569,465,685.09/1,806,478.19 - Step 6: Final answer
x = 1,214,279.52
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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.