Finding the Fourth Proportional to 2,860,480.12, 4,290,653.76 and 1,440,154.84
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Solution
The fourth proportional to 2,860,480.12, 4,290,653.76 and 1,440,154.84 is: 2,160,198.82
Step by Step Solution
- Step 1: Write the proportion equation
2,860,480.12 : 4,290,653.76 = 1,440,154.84 : x - Step 2: Convert to fraction form
2,860,480.12/4,290,653.76 = 1,440,154.84/x - Step 3: Cross multiply
2,860,480.12x = 4,290,653.76 × 1,440,154.84 - Step 4: Simplify right side
2,860,480.12x = 6,179,205,779,228.20 - Step 5: Solve for x
x = 6,179,205,779,228.20/2,860,480.12 - Step 6: Final answer
x = 2,160,198.82
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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.