Finding the Fourth Proportional to 2,888,438.80, 4,335,768.60 and 1,628,726.80
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Solution
The fourth proportional to 2,888,438.80, 4,335,768.60 and 1,628,726.80 is: 2,444,844.09
Step by Step Solution
- Step 1: Write the proportion equation
2,888,438.80 : 4,335,768.60 = 1,628,726.80 : x - Step 2: Convert to fraction form
2,888,438.80/4,335,768.60 = 1,628,726.80/x - Step 3: Cross multiply
2,888,438.80x = 4,335,768.60 × 1,628,726.80 - Step 4: Simplify right side
2,888,438.80x = 7,061,782,517,418.48 - Step 5: Solve for x
x = 7,061,782,517,418.48/2,888,438.80 - Step 6: Final answer
x = 2,444,844.09
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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.