Finding the Fourth Proportional to 1,563,424.74, 2,157,344.82 and 875,135.10
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Solution
The fourth proportional to 1,563,424.74, 2,157,344.82 and 875,135.10 is: 1,207,584.94
Step by Step Solution
- Step 1: Write the proportion equation
1,563,424.74 : 2,157,344.82 = 875,135.10 : x - Step 2: Convert to fraction form
1,563,424.74/2,157,344.82 = 875,135.10/x - Step 3: Cross multiply
1,563,424.74x = 2,157,344.82 × 875,135.10 - Step 4: Simplify right side
1,563,424.74x = 1,887,968,174,785.18 - Step 5: Solve for x
x = 1,887,968,174,785.18/1,563,424.74 - Step 6: Final answer
x = 1,207,584.94
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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.