Finding the Fourth Proportional to 6,473,682.74, 8,936,705.49 and 3,756,903.86
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Solution
The fourth proportional to 6,473,682.74, 8,936,705.49 and 3,756,903.86 is: 5,186,281.86
Step by Step Solution
- Step 1: Write the proportion equation
6,473,682.74 : 8,936,705.49 = 3,756,903.86 : x - Step 2: Convert to fraction form
6,473,682.74/8,936,705.49 = 3,756,903.86/x - Step 3: Cross multiply
6,473,682.74x = 8,936,705.49 × 3,756,903.86 - Step 4: Simplify right side
6,473,682.74x = 33,574,343,351,064.19 - Step 5: Solve for x
x = 33,574,343,351,064.19/6,473,682.74 - Step 6: Final answer
x = 5,186,281.86
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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.