Finding the Fourth Proportional to 1,906,038.54, 2,858,423.58 and 768,506.94
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Solution
The fourth proportional to 1,906,038.54, 2,858,423.58 and 768,506.94 is: 1,152,504.69
Step by Step Solution
- Step 1: Write the proportion equation
1,906,038.54 : 2,858,423.58 = 768,506.94 : x - Step 2: Convert to fraction form
1,906,038.54/2,858,423.58 = 768,506.94/x - Step 3: Cross multiply
1,906,038.54x = 2,858,423.58 × 768,506.94 - Step 4: Simplify right side
1,906,038.54x = 2,196,718,358,689.65 - Step 5: Solve for x
x = 2,196,718,358,689.65/1,906,038.54 - Step 6: Final answer
x = 1,152,504.69
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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.