Finding the Fourth Proportional to 6,238,354.21, 9,358,423.94 and 1,920,769.75
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Solution
The fourth proportional to 6,238,354.21, 9,358,423.94 and 1,920,769.75 is: 2,881,429.46
Step by Step Solution
- Step 1: Write the proportion equation
6,238,354.21 : 9,358,423.94 = 1,920,769.75 : x - Step 2: Convert to fraction form
6,238,354.21/9,358,423.94 = 1,920,769.75/x - Step 3: Cross multiply
6,238,354.21x = 9,358,423.94 × 1,920,769.75 - Step 4: Simplify right side
6,238,354.21x = 17,975,377,593,033.68 - Step 5: Solve for x
x = 17,975,377,593,033.68/6,238,354.21 - Step 6: Final answer
x = 2,881,429.46
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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.