Finding the Fourth Proportional to 1,872,515.96, 2,586,717.42 and 1,490,053.40
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Solution
The fourth proportional to 1,872,515.96, 2,586,717.42 and 1,490,053.40 is: 2,058,378.76
Step by Step Solution
- Step 1: Write the proportion equation
1,872,515.96 : 2,586,717.42 = 1,490,053.40 : x - Step 2: Convert to fraction form
1,872,515.96/2,586,717.42 = 1,490,053.40/x - Step 3: Cross multiply
1,872,515.96x = 2,586,717.42 × 1,490,053.40 - Step 4: Simplify right side
1,872,515.96x = 3,854,347,086,510.23 - Step 5: Solve for x
x = 3,854,347,086,510.23/1,872,515.96 - Step 6: Final answer
x = 2,058,378.76
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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.