Finding the Fourth Proportional to 6,473,318.66, 8,933,135.78 and 3,572,709.48
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Solution
The fourth proportional to 6,473,318.66, 8,933,135.78 and 3,572,709.48 is: 4,930,314.81
Step by Step Solution
- Step 1: Write the proportion equation
6,473,318.66 : 8,933,135.78 = 3,572,709.48 : x - Step 2: Convert to fraction form
6,473,318.66/8,933,135.78 = 3,572,709.48/x - Step 3: Cross multiply
6,473,318.66x = 8,933,135.78 × 3,572,709.48 - Step 4: Simplify right side
6,473,318.66x = 31,915,498,887,333.19 - Step 5: Solve for x
x = 31,915,498,887,333.19/6,473,318.66 - Step 6: Final answer
x = 4,930,314.81
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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.