Finding the Fourth Proportional to 1,678,029.10, 2,315,507.58 and 942,866.62
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Solution
The fourth proportional to 1,678,029.10, 2,315,507.58 and 942,866.62 is: 1,301,058.96
Step by Step Solution
- Step 1: Write the proportion equation
1,678,029.10 : 2,315,507.58 = 942,866.62 : x - Step 2: Convert to fraction form
1,678,029.10/2,315,507.58 = 942,866.62/x - Step 3: Cross multiply
1,678,029.10x = 2,315,507.58 × 942,866.62 - Step 4: Simplify right side
1,678,029.10x = 2,183,214,799,750.21 - Step 5: Solve for x
x = 2,183,214,799,750.21/1,678,029.10 - Step 6: Final answer
x = 1,301,058.96
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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.