Finding the Fourth Proportional to 2,566,702.12, 3,542,005.94 and 1,420,757.80
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Solution
The fourth proportional to 2,566,702.12, 3,542,005.94 and 1,420,757.80 is: 1,960,621.97
Step by Step Solution
- Step 1: Write the proportion equation
2,566,702.12 : 3,542,005.94 = 1,420,757.80 : x - Step 2: Convert to fraction form
2,566,702.12/3,542,005.94 = 1,420,757.80/x - Step 3: Cross multiply
2,566,702.12x = 3,542,005.94 × 1,420,757.80 - Step 4: Simplify right side
2,566,702.12x = 5,032,332,566,901.33 - Step 5: Solve for x
x = 5,032,332,566,901.33/2,566,702.12 - Step 6: Final answer
x = 1,960,621.97
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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.