Finding the Fourth Proportional to 1,684,980.40, 2,527,470.60 and 486,941.80
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Solution
The fourth proportional to 1,684,980.40, 2,527,470.60 and 486,941.80 is: 730,412.70
Step by Step Solution
- Step 1: Write the proportion equation
1,684,980.40 : 2,527,470.60 = 486,941.80 : x - Step 2: Convert to fraction form
1,684,980.40/2,527,470.60 = 486,941.80/x - Step 3: Cross multiply
1,684,980.40x = 2,527,470.60 × 486,941.80 - Step 4: Simplify right side
1,684,980.40x = 1,230,731,083,411.08 - Step 5: Solve for x
x = 1,230,731,083,411.08/1,684,980.40 - Step 6: Final answer
x = 730,412.70
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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.