Finding the Fourth Proportional to 4,648,173.64, 6,950,856.66 and 4,421,425.48
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Solution
The fourth proportional to 4,648,173.64, 6,950,856.66 and 4,421,425.48 is: 6,611,778.55
Step by Step Solution
- Step 1: Write the proportion equation
4,648,173.64 : 6,950,856.66 = 4,421,425.48 : x - Step 2: Convert to fraction form
4,648,173.64/6,950,856.66 = 4,421,425.48/x - Step 3: Cross multiply
4,648,173.64x = 6,950,856.66 × 4,421,425.48 - Step 4: Simplify right side
4,648,173.64x = 30,732,694,772,782.40 - Step 5: Solve for x
x = 30,732,694,772,782.40/4,648,173.64 - Step 6: Final answer
x = 6,611,778.55
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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.