Finding the Fourth Proportional to 6,229,246.20, 9,343,869.30 and 4,402,663.80
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Solution
The fourth proportional to 6,229,246.20, 9,343,869.30 and 4,402,663.80 is: 6,603,995.70
Step by Step Solution
- Step 1: Write the proportion equation
6,229,246.20 : 9,343,869.30 = 4,402,663.80 : x - Step 2: Convert to fraction form
6,229,246.20/9,343,869.30 = 4,402,663.80/x - Step 3: Cross multiply
6,229,246.20x = 9,343,869.30 × 4,402,663.80 - Step 4: Simplify right side
6,229,246.20x = 41,137,915,119,041.34 - Step 5: Solve for x
x = 41,137,915,119,041.34/6,229,246.20 - Step 6: Final answer
x = 6,603,995.70
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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.