Finding the Fourth Proportional to 1,798,046.70, 2,698,134.09 and 661,606.93
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Solution
The fourth proportional to 1,798,046.70, 2,698,134.09 and 661,606.93 is: 992,801.92
Step by Step Solution
- Step 1: Write the proportion equation
1,798,046.70 : 2,698,134.09 = 661,606.93 : x - Step 2: Convert to fraction form
1,798,046.70/2,698,134.09 = 661,606.93/x - Step 3: Cross multiply
1,798,046.70x = 2,698,134.09 × 661,606.93 - Step 4: Simplify right side
1,798,046.70x = 1,785,104,212,013.24 - Step 5: Solve for x
x = 1,785,104,212,013.24/1,798,046.70 - Step 6: Final answer
x = 992,801.92
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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.