Finding the Fourth Proportional to 2,888,803.36, 4,331,584.24 and 1,979,013.80
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Solution
The fourth proportional to 2,888,803.36, 4,331,584.24 and 1,979,013.80 is: 2,967,410.35
Step by Step Solution
- Step 1: Write the proportion equation
2,888,803.36 : 4,331,584.24 = 1,979,013.80 : x - Step 2: Convert to fraction form
2,888,803.36/4,331,584.24 = 1,979,013.80/x - Step 3: Cross multiply
2,888,803.36x = 4,331,584.24 × 1,979,013.80 - Step 4: Simplify right side
2,888,803.36x = 8,572,264,986,822.51 - Step 5: Solve for x
x = 8,572,264,986,822.51/2,888,803.36 - Step 6: Final answer
x = 2,967,410.35
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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.