Finding the Fourth Proportional to 4,085,788.32, 6,129,675.12 and 1,245,950.88
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Solution
The fourth proportional to 4,085,788.32, 6,129,675.12 and 1,245,950.88 is: 1,869,229.02
Step by Step Solution
- Step 1: Write the proportion equation
4,085,788.32 : 6,129,675.12 = 1,245,950.88 : x - Step 2: Convert to fraction form
4,085,788.32/6,129,675.12 = 1,245,950.88/x - Step 3: Cross multiply
4,085,788.32x = 6,129,675.12 × 1,245,950.88 - Step 4: Simplify right side
4,085,788.32x = 7,637,274,109,878.11 - Step 5: Solve for x
x = 7,637,274,109,878.11/4,085,788.32 - Step 6: Final answer
x = 1,869,229.02
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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.