Finding the Fourth Proportional to 3,125,438.68, 4,688,339.46 and 1,206,360.76
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Solution
The fourth proportional to 3,125,438.68, 4,688,339.46 and 1,206,360.76 is: 1,809,611.17
Step by Step Solution
- Step 1: Write the proportion equation
3,125,438.68 : 4,688,339.46 = 1,206,360.76 : x - Step 2: Convert to fraction form
3,125,438.68/4,688,339.46 = 1,206,360.76/x - Step 3: Cross multiply
3,125,438.68x = 4,688,339.46 × 1,206,360.76 - Step 4: Simplify right side
3,125,438.68x = 5,655,828,754,103.59 - Step 5: Solve for x
x = 5,655,828,754,103.59/3,125,438.68 - Step 6: Final answer
x = 1,809,611.17
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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.