Finding the Fourth Proportional to 6,871,861.51, 9,484,005.36 and 3,971,276.08
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Solution
The fourth proportional to 6,871,861.51, 9,484,005.36 and 3,971,276.08 is: 5,480,844.39
Step by Step Solution
- Step 1: Write the proportion equation
6,871,861.51 : 9,484,005.36 = 3,971,276.08 : x - Step 2: Convert to fraction form
6,871,861.51/9,484,005.36 = 3,971,276.08/x - Step 3: Cross multiply
6,871,861.51x = 9,484,005.36 × 3,971,276.08 - Step 4: Simplify right side
6,871,861.51x = 37,663,603,628,759.79 - Step 5: Solve for x
x = 37,663,603,628,759.79/6,871,861.51 - Step 6: Final answer
x = 5,480,844.39
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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.