Finding the Fourth Proportional to 2,774,688.45, 3,829,687.68 and 1,686,729.75
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Solution
The fourth proportional to 2,774,688.45, 3,829,687.68 and 1,686,729.75 is: 2,328,062.50
Step by Step Solution
- Step 1: Write the proportion equation
2,774,688.45 : 3,829,687.68 = 1,686,729.75 : x - Step 2: Convert to fraction form
2,774,688.45/3,829,687.68 = 1,686,729.75/x - Step 3: Cross multiply
2,774,688.45x = 3,829,687.68 × 1,686,729.75 - Step 4: Simplify right side
2,774,688.45x = 6,459,648,143,064.48 - Step 5: Solve for x
x = 6,459,648,143,064.48/2,774,688.45 - Step 6: Final answer
x = 2,328,062.50
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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.