Finding the Fourth Proportional to 2,785,674.12, 3,843,040.56 and 1,924,739.70
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Solution
The fourth proportional to 2,785,674.12, 3,843,040.56 and 1,924,739.70 is: 2,655,318.75
Step by Step Solution
- Step 1: Write the proportion equation
2,785,674.12 : 3,843,040.56 = 1,924,739.70 : x - Step 2: Convert to fraction form
2,785,674.12/3,843,040.56 = 1,924,739.70/x - Step 3: Cross multiply
2,785,674.12x = 3,843,040.56 × 1,924,739.70 - Step 4: Simplify right side
2,785,674.12x = 7,396,852,734,542.23 - Step 5: Solve for x
x = 7,396,852,734,542.23/2,785,674.12 - Step 6: Final answer
x = 2,655,318.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.