Finding the Fourth Proportional to 2,600,805.70, 3,896,542.95 and 2,227,557.70
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Solution
The fourth proportional to 2,600,805.70, 3,896,542.95 and 2,227,557.70 is: 3,337,340.52
Step by Step Solution
- Step 1: Write the proportion equation
2,600,805.70 : 3,896,542.95 = 2,227,557.70 : x - Step 2: Convert to fraction form
2,600,805.70/3,896,542.95 = 2,227,557.70/x - Step 3: Cross multiply
2,600,805.70x = 3,896,542.95 × 2,227,557.70 - Step 4: Simplify right side
2,600,805.70x = 8,679,774,251,653.22 - Step 5: Solve for x
x = 8,679,774,251,653.22/2,600,805.70 - Step 6: Final answer
x = 3,337,340.52
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1.5x scale
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.