Finding the Fourth Proportional to 3,831,811.32, 5,747,852.74 and 953,193.12
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Solution
The fourth proportional to 3,831,811.32, 5,747,852.74 and 953,193.12 is: 1,429,823.45
Step by Step Solution
- Step 1: Write the proportion equation
3,831,811.32 : 5,747,852.74 = 953,193.12 : x - Step 2: Convert to fraction form
3,831,811.32/5,747,852.74 = 953,193.12/x - Step 3: Cross multiply
3,831,811.32x = 5,747,852.74 × 953,193.12 - Step 4: Simplify right side
3,831,811.32x = 5,478,813,686,541.15 - Step 5: Solve for x
x = 5,478,813,686,541.15/3,831,811.32 - Step 6: Final answer
x = 1,429,823.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.