Finding the Fourth Proportional to 1,969,574.40, 2,718,329.76 and 1,486,684.80
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Solution
The fourth proportional to 1,969,574.40, 2,718,329.76 and 1,486,684.80 is: 2,051,864.37
Step by Step Solution
- Step 1: Write the proportion equation
1,969,574.40 : 2,718,329.76 = 1,486,684.80 : x - Step 2: Convert to fraction form
1,969,574.40/2,718,329.76 = 1,486,684.80/x - Step 3: Cross multiply
1,969,574.40x = 2,718,329.76 × 1,486,684.80 - Step 4: Simplify right side
1,969,574.40x = 4,041,299,535,579.65 - Step 5: Solve for x
x = 4,041,299,535,579.65/1,969,574.40 - Step 6: Final answer
x = 2,051,864.37
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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.