Finding the Fourth Proportional to 1,515,962.16, 2,091,972.96 and 836,884.08
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Solution
The fourth proportional to 1,515,962.16, 2,091,972.96 and 836,884.08 is: 1,154,869.77
Step by Step Solution
- Step 1: Write the proportion equation
1,515,962.16 : 2,091,972.96 = 836,884.08 : x - Step 2: Convert to fraction form
1,515,962.16/2,091,972.96 = 836,884.08/x - Step 3: Cross multiply
1,515,962.16x = 2,091,972.96 × 836,884.08 - Step 4: Simplify right side
1,515,962.16x = 1,750,738,866,014.48 - Step 5: Solve for x
x = 1,750,738,866,014.48/1,515,962.16 - Step 6: Final answer
x = 1,154,869.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.