Finding the Fourth Proportional to 2,143,305.54, 2,957,799.87 and 1,176,525.81
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Solution
The fourth proportional to 2,143,305.54, 2,957,799.87 and 1,176,525.81 is: 1,623,626.60
Step by Step Solution
- Step 1: Write the proportion equation
2,143,305.54 : 2,957,799.87 = 1,176,525.81 : x - Step 2: Convert to fraction form
2,143,305.54/2,957,799.87 = 1,176,525.81/x - Step 3: Cross multiply
2,143,305.54x = 2,957,799.87 × 1,176,525.81 - Step 4: Simplify right side
2,143,305.54x = 3,479,927,887,869.65 - Step 5: Solve for x
x = 3,479,927,887,869.65/2,143,305.54 - Step 6: Final answer
x = 1,623,626.60
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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.