Finding the Fourth Proportional to 5,405,377.95, 7,459,422.05 and 2,957,988.87
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Solution
The fourth proportional to 5,405,377.95, 7,459,422.05 and 2,957,988.87 is: 4,082,024.90
Step by Step Solution
- Step 1: Write the proportion equation
5,405,377.95 : 7,459,422.05 = 2,957,988.87 : x - Step 2: Convert to fraction form
5,405,377.95/7,459,422.05 = 2,957,988.87/x - Step 3: Cross multiply
5,405,377.95x = 7,459,422.05 × 2,957,988.87 - Step 4: Simplify right side
5,405,377.95x = 22,064,887,348,445.53 - Step 5: Solve for x
x = 22,064,887,348,445.53/5,405,377.95 - Step 6: Final answer
x = 4,082,024.90
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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.