Finding the Fourth Proportional to 2,854,695.75, 3,939,117.15 and 1,631,080.49
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Solution
The fourth proportional to 2,854,695.75, 3,939,117.15 and 1,631,080.49 is: 2,250,683.68
Step by Step Solution
- Step 1: Write the proportion equation
2,854,695.75 : 3,939,117.15 = 1,631,080.49 : x - Step 2: Convert to fraction form
2,854,695.75/3,939,117.15 = 1,631,080.49/x - Step 3: Cross multiply
2,854,695.75x = 3,939,117.15 × 1,631,080.49 - Step 4: Simplify right side
2,854,695.75x = 6,425,017,131,189.40 - Step 5: Solve for x
x = 6,425,017,131,189.40/2,854,695.75 - Step 6: Final answer
x = 2,250,683.68
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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.