Finding the Fourth Proportional to 1,871,721.37, 2,582,975.49 and 1,012,281.63
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Solution
The fourth proportional to 1,871,721.37, 2,582,975.49 and 1,012,281.63 is: 1,396,948.65
Step by Step Solution
- Step 1: Write the proportion equation
1,871,721.37 : 2,582,975.49 = 1,012,281.63 : x - Step 2: Convert to fraction form
1,871,721.37/2,582,975.49 = 1,012,281.63/x - Step 3: Cross multiply
1,871,721.37x = 2,582,975.49 × 1,012,281.63 - Step 4: Simplify right side
1,871,721.37x = 2,614,698,648,855.40 - Step 5: Solve for x
x = 2,614,698,648,855.40/1,871,721.37 - Step 6: Final answer
x = 1,396,948.65
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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.