Finding the Fourth Proportional to 2,957,079.30, 4,435,618.95 and 2,657,897.70
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Solution
The fourth proportional to 2,957,079.30, 4,435,618.95 and 2,657,897.70 is: 3,986,846.55
Step by Step Solution
- Step 1: Write the proportion equation
2,957,079.30 : 4,435,618.95 = 2,657,897.70 : x - Step 2: Convert to fraction form
2,957,079.30/4,435,618.95 = 2,657,897.70/x - Step 3: Cross multiply
2,957,079.30x = 4,435,618.95 × 2,657,897.70 - Step 4: Simplify right side
2,957,079.30x = 11,789,421,405,281.42 - Step 5: Solve for x
x = 11,789,421,405,281.42/2,957,079.30 - Step 6: Final answer
x = 3,986,846.55
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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.