Finding the Fourth Proportional to 1,862,556.12, 2,571,029.61 and 1,088,438.31
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Solution
The fourth proportional to 1,862,556.12, 2,571,029.61 and 1,088,438.31 is: 1,502,455.20
Step by Step Solution
- Step 1: Write the proportion equation
1,862,556.12 : 2,571,029.61 = 1,088,438.31 : x - Step 2: Convert to fraction form
1,862,556.12/2,571,029.61 = 1,088,438.31/x - Step 3: Cross multiply
1,862,556.12x = 2,571,029.61 × 1,088,438.31 - Step 4: Simplify right side
1,862,556.12x = 2,798,407,119,586.72 - Step 5: Solve for x
x = 2,798,407,119,586.72/1,862,556.12 - Step 6: Final answer
x = 1,502,455.20
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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.