Finding the Fourth Proportional to 1,942,816.51, 2,912,460.48 and 679,955.23
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Solution
The fourth proportional to 1,942,816.51, 2,912,460.48 and 679,955.23 is: 1,019,315.37
Step by Step Solution
- Step 1: Write the proportion equation
1,942,816.51 : 2,912,460.48 = 679,955.23 : x - Step 2: Convert to fraction form
1,942,816.51/2,912,460.48 = 679,955.23/x - Step 3: Cross multiply
1,942,816.51x = 2,912,460.48 × 679,955.23 - Step 4: Simplify right side
1,942,816.51x = 1,980,342,735,544.31 - Step 5: Solve for x
x = 1,980,342,735,544.31/1,942,816.51 - Step 6: Final answer
x = 1,019,315.37
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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.