Finding the Fourth Proportional to 2,977,934.88, 4,110,280.16 and 1,689,529.44
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Solution
The fourth proportional to 2,977,934.88, 4,110,280.16 and 1,689,529.44 is: 2,331,964.80
Step by Step Solution
- Step 1: Write the proportion equation
2,977,934.88 : 4,110,280.16 = 1,689,529.44 : x - Step 2: Convert to fraction form
2,977,934.88/4,110,280.16 = 1,689,529.44/x - Step 3: Cross multiply
2,977,934.88x = 4,110,280.16 × 1,689,529.44 - Step 4: Simplify right side
2,977,934.88x = 6,944,439,328,520.26 - Step 5: Solve for x
x = 6,944,439,328,520.26/2,977,934.88 - Step 6: Final answer
x = 2,331,964.80
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1.5x scale
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.