Finding the Fourth Proportional to 1,798,050.21, 2,698,139.38 and 661,610.44
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Solution
The fourth proportional to 1,798,050.21, 2,698,139.38 and 661,610.44 is: 992,807.19
Step by Step Solution
- Step 1: Write the proportion equation
1,798,050.21 : 2,698,139.38 = 661,610.44 : x - Step 2: Convert to fraction form
1,798,050.21/2,698,139.38 = 661,610.44/x - Step 3: Cross multiply
1,798,050.21x = 2,698,139.38 × 661,610.44 - Step 4: Simplify right side
1,798,050.21x = 1,785,117,182,383.13 - Step 5: Solve for x
x = 1,785,117,182,383.13/1,798,050.21 - Step 6: Final answer
x = 992,807.19
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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.