Finding the Fourth Proportional to 4,382,242.80, 6,584,423.40 and 2,785,570.80
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Solution
The fourth proportional to 4,382,242.80, 6,584,423.40 and 2,785,570.80 is: 4,185,385.98
Step by Step Solution
- Step 1: Write the proportion equation
4,382,242.80 : 6,584,423.40 = 2,785,570.80 : x - Step 2: Convert to fraction form
4,382,242.80/6,584,423.40 = 2,785,570.80/x - Step 3: Cross multiply
4,382,242.80x = 6,584,423.40 × 2,785,570.80 - Step 4: Simplify right side
4,382,242.80x = 18,341,377,557,876.72 - Step 5: Solve for x
x = 18,341,377,557,876.72/4,382,242.80 - Step 6: Final answer
x = 4,185,385.98
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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.