Finding the Fourth Proportional to 7,235,541.70, 10,853,312.55 and 1,844,181.70
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Solution
The fourth proportional to 7,235,541.70, 10,853,312.55 and 1,844,181.70 is: 2,766,272.55
Step by Step Solution
- Step 1: Write the proportion equation
7,235,541.70 : 10,853,312.55 = 1,844,181.70 : x - Step 2: Convert to fraction form
7,235,541.70/10,853,312.55 = 1,844,181.70/x - Step 3: Cross multiply
7,235,541.70x = 10,853,312.55 × 1,844,181.70 - Step 4: Simplify right side
7,235,541.70x = 20,015,480,389,090.34 - Step 5: Solve for x
x = 20,015,480,389,090.34/7,235,541.70 - Step 6: Final answer
x = 2,766,272.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.