Finding the Fourth Proportional to 1,531,715.76, 2,297,572.56 and 689,283.36
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Solution
The fourth proportional to 1,531,715.76, 2,297,572.56 and 689,283.36 is: 1,033,924.55
Step by Step Solution
- Step 1: Write the proportion equation
1,531,715.76 : 2,297,572.56 = 689,283.36 : x - Step 2: Convert to fraction form
1,531,715.76/2,297,572.56 = 689,283.36/x - Step 3: Cross multiply
1,531,715.76x = 2,297,572.56 × 689,283.36 - Step 4: Simplify right side
1,531,715.76x = 1,583,678,534,000.60 - Step 5: Solve for x
x = 1,583,678,534,000.60/1,531,715.76 - Step 6: Final answer
x = 1,033,924.55
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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.