Finding the Fourth Proportional to 4,871,072.08, 6,721,913.95 and 2,695,706.92
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Solution
The fourth proportional to 4,871,072.08, 6,721,913.95 and 2,695,706.92 is: 3,719,983.95
Step by Step Solution
- Step 1: Write the proportion equation
4,871,072.08 : 6,721,913.95 = 2,695,706.92 : x - Step 2: Convert to fraction form
4,871,072.08/6,721,913.95 = 2,695,706.92/x - Step 3: Cross multiply
4,871,072.08x = 6,721,913.95 × 2,695,706.92 - Step 4: Simplify right side
4,871,072.08x = 18,120,309,950,659.54 - Step 5: Solve for x
x = 18,120,309,950,659.54/4,871,072.08 - Step 6: Final answer
x = 3,719,983.95
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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.