Finding the Fourth Proportional to 6,871,805.44, 9,483,205.74 and 3,774,615.19
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Solution
The fourth proportional to 6,871,805.44, 9,483,205.74 and 3,774,615.19 is: 5,209,031.71
Step by Step Solution
- Step 1: Write the proportion equation
6,871,805.44 : 9,483,205.74 = 3,774,615.19 : x - Step 2: Convert to fraction form
6,871,805.44/9,483,205.74 = 3,774,615.19/x - Step 3: Cross multiply
6,871,805.44x = 9,483,205.74 × 3,774,615.19 - Step 4: Simplify right side
6,871,805.44x = 35,795,452,388,683.16 - Step 5: Solve for x
x = 35,795,452,388,683.16/6,871,805.44 - Step 6: Final answer
x = 5,209,031.71
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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.