Finding the Fourth Proportional to 1,661,463.84, 2,292,955 and 936,360.65
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Solution
The fourth proportional to 1,661,463.84, 2,292,955 and 936,360.65 is: 1,292,253.72
Step by Step Solution
- Step 1: Write the proportion equation
1,661,463.84 : 2,292,955 = 936,360.65 : x - Step 2: Convert to fraction form
1,661,463.84/2,292,955 = 936,360.65/x - Step 3: Cross multiply
1,661,463.84x = 2,292,955 × 936,360.65 - Step 4: Simplify right side
1,661,463.84x = 2,147,032,834,220.75 - Step 5: Solve for x
x = 2,147,032,834,220.75/1,661,463.84 - Step 6: Final answer
x = 1,292,253.72
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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.