Finding the Fourth Proportional to 3,129,175.99, 4,695,364.57 and 1,489,705.88
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Solution
The fourth proportional to 3,129,175.99, 4,695,364.57 and 1,489,705.88 is: 2,235,320.81
Step by Step Solution
- Step 1: Write the proportion equation
3,129,175.99 : 4,695,364.57 = 1,489,705.88 : x - Step 2: Convert to fraction form
3,129,175.99/4,695,364.57 = 1,489,705.88/x - Step 3: Cross multiply
3,129,175.99x = 4,695,364.57 × 1,489,705.88 - Step 4: Simplify right side
3,129,175.99x = 6,994,712,185,195.85 - Step 5: Solve for x
x = 6,994,712,185,195.85/3,129,175.99 - Step 6: Final answer
x = 2,235,320.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.