Finding the Fourth Proportional to 2,038,386.60, 3,059,912.70 and 1,197,412.20
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Solution
The fourth proportional to 2,038,386.60, 3,059,912.70 and 1,197,412.20 is: 1,797,488.66
Step by Step Solution
- Step 1: Write the proportion equation
2,038,386.60 : 3,059,912.70 = 1,197,412.20 : x - Step 2: Convert to fraction form
2,038,386.60/3,059,912.70 = 1,197,412.20/x - Step 3: Cross multiply
2,038,386.60x = 3,059,912.70 × 1,197,412.20 - Step 4: Simplify right side
2,038,386.60x = 3,663,976,797,914.94 - Step 5: Solve for x
x = 3,663,976,797,914.94/2,038,386.60 - Step 6: Final answer
x = 1,797,488.66
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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.