Finding the Fourth Proportional to 3,431,027.76, 4,735,386.18 and 1,903,626.96
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Solution
The fourth proportional to 3,431,027.76, 4,735,386.18 and 1,903,626.96 is: 2,627,320.28
Step by Step Solution
- Step 1: Write the proportion equation
3,431,027.76 : 4,735,386.18 = 1,903,626.96 : x - Step 2: Convert to fraction form
3,431,027.76/4,735,386.18 = 1,903,626.96/x - Step 3: Cross multiply
3,431,027.76x = 4,735,386.18 × 1,903,626.96 - Step 4: Simplify right side
3,431,027.76x = 9,014,408,798,259.41 - Step 5: Solve for x
x = 9,014,408,798,259.41/3,431,027.76 - Step 6: Final answer
x = 2,627,320.28
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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.