Finding the Fourth Proportional to 1,571,936.13, 2,169,283.86 and 874,226.74
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Solution
The fourth proportional to 1,571,936.13, 2,169,283.86 and 874,226.74 is: 1,206,439.58
Step by Step Solution
- Step 1: Write the proportion equation
1,571,936.13 : 2,169,283.86 = 874,226.74 : x - Step 2: Convert to fraction form
1,571,936.13/2,169,283.86 = 874,226.74/x - Step 3: Cross multiply
1,571,936.13x = 2,169,283.86 × 874,226.74 - Step 4: Simplify right side
1,571,936.13x = 1,896,445,957,062.42 - Step 5: Solve for x
x = 1,896,445,957,062.42/1,571,936.13 - Step 6: Final answer
x = 1,206,439.58
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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.