Finding the Fourth Proportional to 2,625,328.20, 3,929,244.30 and 1,903,618.20
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Solution
The fourth proportional to 2,625,328.20, 3,929,244.30 and 1,903,618.20 is: 2,849,084.15
Step by Step Solution
- Step 1: Write the proportion equation
2,625,328.20 : 3,929,244.30 = 1,903,618.20 : x - Step 2: Convert to fraction form
2,625,328.20/3,929,244.30 = 1,903,618.20/x - Step 3: Cross multiply
2,625,328.20x = 3,929,244.30 × 1,903,618.20 - Step 4: Simplify right side
2,625,328.20x = 7,479,780,961,726.26 - Step 5: Solve for x
x = 7,479,780,961,726.26/2,625,328.20 - Step 6: Final answer
x = 2,849,084.15
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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.