Finding the Fourth Proportional to 6,331,068.50, 8,736,882.21 and 3,430,457.09
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Solution
The fourth proportional to 6,331,068.50, 8,736,882.21 and 3,430,457.09 is: 4,734,034.95
Step by Step Solution
- Step 1: Write the proportion equation
6,331,068.50 : 8,736,882.21 = 3,430,457.09 : x - Step 2: Convert to fraction form
6,331,068.50/8,736,882.21 = 3,430,457.09/x - Step 3: Cross multiply
6,331,068.50x = 8,736,882.21 × 3,430,457.09 - Step 4: Simplify right side
6,331,068.50x = 29,971,499,521,789.37 - Step 5: Solve for x
x = 29,971,499,521,789.37/6,331,068.50 - Step 6: Final answer
x = 4,734,034.95
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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.