Finding the Fourth Proportional to 1,887,901.70, 2,831,852.55 and 558,205.70
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Solution
The fourth proportional to 1,887,901.70, 2,831,852.55 and 558,205.70 is: 837,308.55
Step by Step Solution
- Step 1: Write the proportion equation
1,887,901.70 : 2,831,852.55 = 558,205.70 : x - Step 2: Convert to fraction form
1,887,901.70/2,831,852.55 = 558,205.70/x - Step 3: Cross multiply
1,887,901.70x = 2,831,852.55 × 558,205.70 - Step 4: Simplify right side
1,887,901.70x = 1,580,756,234,969.53 - Step 5: Solve for x
x = 1,580,756,234,969.53/1,887,901.70 - Step 6: Final answer
x = 837,308.55
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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.