Finding the Fourth Proportional to 2,740,576.86, 4,112,282.74 and 1,988,617.91
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Solution
The fourth proportional to 2,740,576.86, 4,112,282.74 and 1,988,617.91 is: 2,983,955.40
Step by Step Solution
- Step 1: Write the proportion equation
2,740,576.86 : 4,112,282.74 = 1,988,617.91 : x - Step 2: Convert to fraction form
2,740,576.86/4,112,282.74 = 1,988,617.91/x - Step 3: Cross multiply
2,740,576.86x = 4,112,282.74 × 1,988,617.91 - Step 4: Simplify right side
2,740,576.86x = 8,177,759,112,251.58 - Step 5: Solve for x
x = 8,177,759,112,251.58/2,740,576.86 - Step 6: Final answer
x = 2,983,955.40
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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.