Finding the Fourth Proportional to 2,889,496.95, 3,986,395.86 and 1,649,176.11
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Solution
The fourth proportional to 2,889,496.95, 3,986,395.86 and 1,649,176.11 is: 2,275,229.54
Step by Step Solution
- Step 1: Write the proportion equation
2,889,496.95 : 3,986,395.86 = 1,649,176.11 : x - Step 2: Convert to fraction form
2,889,496.95/3,986,395.86 = 1,649,176.11/x - Step 3: Cross multiply
2,889,496.95x = 3,986,395.86 × 1,649,176.11 - Step 4: Simplify right side
2,889,496.95x = 6,574,268,817,314.91 - Step 5: Solve for x
x = 6,574,268,817,314.91/2,889,496.95 - Step 6: Final answer
x = 2,275,229.54
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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.