Finding the Fourth Proportional to 2,759,056.77, 4,139,207.91 and 840,139.53
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Solution
The fourth proportional to 2,759,056.77, 4,139,207.91 and 840,139.53 is: 1,260,398.93
Step by Step Solution
- Step 1: Write the proportion equation
2,759,056.77 : 4,139,207.91 = 840,139.53 : x - Step 2: Convert to fraction form
2,759,056.77/4,139,207.91 = 840,139.53/x - Step 3: Cross multiply
2,759,056.77x = 4,139,207.91 × 840,139.53 - Step 4: Simplify right side
2,759,056.77x = 3,477,512,188,079.68 - Step 5: Solve for x
x = 3,477,512,188,079.68/2,759,056.77 - Step 6: Final answer
x = 1,260,398.93
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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.