Finding the Fourth Proportional to 821,652.10, 1,153,630.70 and 821,652.10
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Solution
The fourth proportional to 821,652.10, 1,153,630.70 and 821,652.10 is: 1,153,630.70
Step by Step Solution
- Step 1: Write the proportion equation
821,652.10 : 1,153,630.70 = 821,652.10 : x - Step 2: Convert to fraction form
821,652.10/1,153,630.70 = 821,652.10/x - Step 3: Cross multiply
821,652.10x = 1,153,630.70 × 821,652.10 - Step 4: Simplify right side
821,652.10x = 947,883,087,279.47 - Step 5: Solve for x
x = 947,883,087,279.47/821,652.10 - Step 6: Final answer
x = 1,153,630.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.