Finding the Fourth Proportional to 5,424,507.63, 8,136,884.16 and 1,380,980.34
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Solution
The fourth proportional to 5,424,507.63, 8,136,884.16 and 1,380,980.34 is: 2,071,501.75
Step by Step Solution
- Step 1: Write the proportion equation
5,424,507.63 : 8,136,884.16 = 1,380,980.34 : x - Step 2: Convert to fraction form
5,424,507.63/8,136,884.16 = 1,380,980.34/x - Step 3: Cross multiply
5,424,507.63x = 8,136,884.16 × 1,380,980.34 - Step 4: Simplify right side
5,424,507.63x = 11,236,877,053,817.42 - Step 5: Solve for x
x = 11,236,877,053,817.42/5,424,507.63 - Step 6: Final answer
x = 2,071,501.75
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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.