Finding the Fourth Proportional to 1,903,705.68, 2,854,639.95 and 1,105,188.24
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Solution
The fourth proportional to 1,903,705.68, 2,854,639.95 and 1,105,188.24 is: 1,657,249.09
Step by Step Solution
- Step 1: Write the proportion equation
1,903,705.68 : 2,854,639.95 = 1,105,188.24 : x - Step 2: Convert to fraction form
1,903,705.68/2,854,639.95 = 1,105,188.24/x - Step 3: Cross multiply
1,903,705.68x = 2,854,639.95 × 1,105,188.24 - Step 4: Simplify right side
1,903,705.68x = 3,154,914,502,174.19 - Step 5: Solve for x
x = 3,154,914,502,174.19/1,903,705.68 - Step 6: Final answer
x = 1,657,249.09
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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.