Finding the Fourth Proportional to 1,487,175.39, 2,052,135.36 and 842,457.51
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Solution
The fourth proportional to 1,487,175.39, 2,052,135.36 and 842,457.51 is: 1,162,496.94
Step by Step Solution
- Step 1: Write the proportion equation
1,487,175.39 : 2,052,135.36 = 842,457.51 : x - Step 2: Convert to fraction form
1,487,175.39/2,052,135.36 = 842,457.51/x - Step 3: Cross multiply
1,487,175.39x = 2,052,135.36 × 842,457.51 - Step 4: Simplify right side
1,487,175.39x = 1,728,836,845,568.55 - Step 5: Solve for x
x = 1,728,836,845,568.55/1,487,175.39 - Step 6: Final answer
x = 1,162,496.94
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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.