Finding the Fourth Proportional to 4,758,660.72, 7,136,479.62 and 1,563,043.05
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Solution
The fourth proportional to 4,758,660.72, 7,136,479.62 and 1,563,043.05 is: 2,344,068.12
Step by Step Solution
- Step 1: Write the proportion equation
4,758,660.72 : 7,136,479.62 = 1,563,043.05 : x - Step 2: Convert to fraction form
4,758,660.72/7,136,479.62 = 1,563,043.05/x - Step 3: Cross multiply
4,758,660.72x = 7,136,479.62 × 1,563,043.05 - Step 4: Simplify right side
4,758,660.72x = 11,154,624,871,507.64 - Step 5: Solve for x
x = 11,154,624,871,507.64/4,758,660.72 - Step 6: Final answer
x = 2,344,068.12
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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.