Finding the Fourth Proportional to 5,509,984.70, 8,266,143.45 and 1,671,491.90
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Solution
The fourth proportional to 5,509,984.70, 8,266,143.45 and 1,671,491.90 is: 2,507,591.69
Step by Step Solution
- Step 1: Write the proportion equation
5,509,984.70 : 8,266,143.45 = 1,671,491.90 : x - Step 2: Convert to fraction form
5,509,984.70/8,266,143.45 = 1,671,491.90/x - Step 3: Cross multiply
5,509,984.70x = 8,266,143.45 × 1,671,491.90 - Step 4: Simplify right side
5,509,984.70x = 13,816,791,820,913.05 - Step 5: Solve for x
x = 13,816,791,820,913.05/5,509,984.70 - Step 6: Final answer
x = 2,507,591.69
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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.