Finding the Fourth Proportional to 2,677,432.40, 4,010,243.70 and 1,413,783.80
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Solution
The fourth proportional to 2,677,432.40, 4,010,243.70 and 1,413,783.80 is: 2,117,557.69
Step by Step Solution
- Step 1: Write the proportion equation
2,677,432.40 : 4,010,243.70 = 1,413,783.80 : x - Step 2: Convert to fraction form
2,677,432.40/4,010,243.70 = 1,413,783.80/x - Step 3: Cross multiply
2,677,432.40x = 4,010,243.70 × 1,413,783.80 - Step 4: Simplify right side
2,677,432.40x = 5,669,617,577,112.06 - Step 5: Solve for x
x = 5,669,617,577,112.06/2,677,432.40 - Step 6: Final answer
x = 2,117,557.69
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1.5x scale
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.