Finding the Fourth Proportional to 6,868,368.70, 10,302,553.05 and 2,079,421.90
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Solution
The fourth proportional to 6,868,368.70, 10,302,553.05 and 2,079,421.90 is: 3,119,132.85
Step by Step Solution
- Step 1: Write the proportion equation
6,868,368.70 : 10,302,553.05 = 2,079,421.90 : x - Step 2: Convert to fraction form
6,868,368.70/10,302,553.05 = 2,079,421.90/x - Step 3: Cross multiply
6,868,368.70x = 10,302,553.05 × 2,079,421.90 - Step 4: Simplify right side
6,868,368.70x = 21,423,354,438,081.80 - Step 5: Solve for x
x = 21,423,354,438,081.80/6,868,368.70 - Step 6: Final answer
x = 3,119,132.85
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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.