Finding the Fourth Proportional to 6,778,416.24, 10,167,706.98 and 1,986,202.44
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Solution
The fourth proportional to 6,778,416.24, 10,167,706.98 and 1,986,202.44 is: 2,979,327.87
Step by Step Solution
- Step 1: Write the proportion equation
6,778,416.24 : 10,167,706.98 = 1,986,202.44 : x - Step 2: Convert to fraction form
6,778,416.24/10,167,706.98 = 1,986,202.44/x - Step 3: Cross multiply
6,778,416.24x = 10,167,706.98 × 1,986,202.44 - Step 4: Simplify right side
6,778,416.24x = 20,195,124,412,881.03 - Step 5: Solve for x
x = 20,195,124,412,881.03/6,778,416.24 - Step 6: Final answer
x = 2,979,327.87
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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.