Finding the Fourth Proportional to 4,353,628.18, 6,530,918.55 and 1,477,071.94
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Solution
The fourth proportional to 4,353,628.18, 6,530,918.55 and 1,477,071.94 is: 2,215,769.50
Step by Step Solution
- Step 1: Write the proportion equation
4,353,628.18 : 6,530,918.55 = 1,477,071.94 : x - Step 2: Convert to fraction form
4,353,628.18/6,530,918.55 = 1,477,071.94/x - Step 3: Cross multiply
4,353,628.18x = 6,530,918.55 × 1,477,071.94 - Step 4: Simplify right side
4,353,628.18x = 9,646,636,532,630.49 - Step 5: Solve for x
x = 9,646,636,532,630.49/4,353,628.18 - Step 6: Final answer
x = 2,215,769.50
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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.