Finding the Fourth Proportional to 1,370,515.02, 2,056,193.19 and 612,993.84
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Solution
The fourth proportional to 1,370,515.02, 2,056,193.19 and 612,993.84 is: 919,678.91
Step by Step Solution
- Step 1: Write the proportion equation
1,370,515.02 : 2,056,193.19 = 612,993.84 : x - Step 2: Convert to fraction form
1,370,515.02/2,056,193.19 = 612,993.84/x - Step 3: Cross multiply
1,370,515.02x = 2,056,193.19 × 612,993.84 - Step 4: Simplify right side
1,370,515.02x = 1,260,433,759,319.95 - Step 5: Solve for x
x = 1,260,433,759,319.95/1,370,515.02 - Step 6: Final answer
x = 919,678.91
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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.