Finding the Fourth Proportional to 7,136,648.64, 10,704,880.08 and 1,745,345.75
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Solution
The fourth proportional to 7,136,648.64, 10,704,880.08 and 1,745,345.75 is: 2,617,995.90
Step by Step Solution
- Step 1: Write the proportion equation
7,136,648.64 : 10,704,880.08 = 1,745,345.75 : x - Step 2: Convert to fraction form
7,136,648.64/10,704,880.08 = 1,745,345.75/x - Step 3: Cross multiply
7,136,648.64x = 10,704,880.08 × 1,745,345.75 - Step 4: Simplify right side
7,136,648.64x = 18,683,716,898,363.26 - Step 5: Solve for x
x = 18,683,716,898,363.26/7,136,648.64 - Step 6: Final answer
x = 2,617,995.90
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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.