Finding the Fourth Proportional to 5,374,614.36, 8,063,058.78 and 1,780,177.80
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Solution
The fourth proportional to 5,374,614.36, 8,063,058.78 and 1,780,177.80 is: 2,670,643.38
Step by Step Solution
- Step 1: Write the proportion equation
5,374,614.36 : 8,063,058.78 = 1,780,177.80 : x - Step 2: Convert to fraction form
5,374,614.36/8,063,058.78 = 1,780,177.80/x - Step 3: Cross multiply
5,374,614.36x = 8,063,058.78 × 1,780,177.80 - Step 4: Simplify right side
5,374,614.36x = 14,353,678,240,251.08 - Step 5: Solve for x
x = 14,353,678,240,251.08/5,374,614.36 - Step 6: Final answer
x = 2,670,643.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.