Finding the Fourth Proportional to 7,786,495.58, 11,673,420.17 and 3,240,946.81
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Solution
The fourth proportional to 7,786,495.58, 11,673,420.17 and 3,240,946.81 is: 4,858,788.34
Step by Step Solution
- Step 1: Write the proportion equation
7,786,495.58 : 11,673,420.17 = 3,240,946.81 : x - Step 2: Convert to fraction form
7,786,495.58/11,673,420.17 = 3,240,946.81/x - Step 3: Cross multiply
7,786,495.58x = 11,673,420.17 × 3,240,946.81 - Step 4: Simplify right side
7,786,495.58x = 37,832,933,920,313.55 - Step 5: Solve for x
x = 37,832,933,920,313.55/7,786,495.58 - Step 6: Final answer
x = 4,858,788.34
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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.