Finding the Fourth Proportional to 1,688,511.50, 2,330,149.71 and 914,150.49
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Solution
The fourth proportional to 1,688,511.50, 2,330,149.71 and 914,150.49 is: 1,261,529.75
Step by Step Solution
- Step 1: Write the proportion equation
1,688,511.50 : 2,330,149.71 = 914,150.49 : x - Step 2: Convert to fraction form
1,688,511.50/2,330,149.71 = 914,150.49/x - Step 3: Cross multiply
1,688,511.50x = 2,330,149.71 × 914,150.49 - Step 4: Simplify right side
1,688,511.50x = 2,130,107,482,948.36 - Step 5: Solve for x
x = 2,130,107,482,948.36/1,688,511.50 - Step 6: Final answer
x = 1,261,529.75
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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.