Finding the Fourth Proportional to 2,048,914.18, 2,827,871.70 and 1,222,040.84
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Solution
The fourth proportional to 2,048,914.18, 2,827,871.70 and 1,222,040.84 is: 1,686,637.12
Step by Step Solution
- Step 1: Write the proportion equation
2,048,914.18 : 2,827,871.70 = 1,222,040.84 : x - Step 2: Convert to fraction form
2,048,914.18/2,827,871.70 = 1,222,040.84/x - Step 3: Cross multiply
2,048,914.18x = 2,827,871.70 × 1,222,040.84 - Step 4: Simplify right side
2,048,914.18x = 3,455,774,707,680.23 - Step 5: Solve for x
x = 3,455,774,707,680.23/2,048,914.18 - Step 6: Final answer
x = 1,686,637.12
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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.