Finding the Fourth Proportional to 1,888,027.71, 2,604,794.79 and 1,235,026.47
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Solution
The fourth proportional to 1,888,027.71, 2,604,794.79 and 1,235,026.47 is: 1,703,889.46
Step by Step Solution
- Step 1: Write the proportion equation
1,888,027.71 : 2,604,794.79 = 1,235,026.47 : x - Step 2: Convert to fraction form
1,888,027.71/2,604,794.79 = 1,235,026.47/x - Step 3: Cross multiply
1,888,027.71x = 2,604,794.79 × 1,235,026.47 - Step 4: Simplify right side
1,888,027.71x = 3,216,990,514,568.09 - Step 5: Solve for x
x = 3,216,990,514,568.09/1,888,027.71 - Step 6: Final answer
x = 1,703,889.46
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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.