Finding the Fourth Proportional to 6,386,743.03, 8,812,389.68 and 3,669,964.15
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Solution
The fourth proportional to 6,386,743.03, 8,812,389.68 and 3,669,964.15 is: 5,063,794.49
Step by Step Solution
- Step 1: Write the proportion equation
6,386,743.03 : 8,812,389.68 = 3,669,964.15 : x - Step 2: Convert to fraction form
6,386,743.03/8,812,389.68 = 3,669,964.15/x - Step 3: Cross multiply
6,386,743.03x = 8,812,389.68 × 3,669,964.15 - Step 4: Simplify right side
6,386,743.03x = 32,341,154,161,049.18 - Step 5: Solve for x
x = 32,341,154,161,049.18/6,386,743.03 - Step 6: Final answer
x = 5,063,794.49
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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.