Finding the Fourth Proportional to 6,216,630.12, 8,578,819.35 and 3,463,313.76
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Solution
The fourth proportional to 6,216,630.12, 8,578,819.35 and 3,463,313.76 is: 4,779,300.45
Step by Step Solution
- Step 1: Write the proportion equation
6,216,630.12 : 8,578,819.35 = 3,463,313.76 : x - Step 2: Convert to fraction form
6,216,630.12/8,578,819.35 = 3,463,313.76/x - Step 3: Cross multiply
6,216,630.12x = 8,578,819.35 × 3,463,313.76 - Step 4: Simplify right side
6,216,630.12x = 29,711,143,099,409.25 - Step 5: Solve for x
x = 29,711,143,099,409.25/6,216,630.12 - Step 6: Final answer
x = 4,779,300.45
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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.