Finding the Fourth Proportional to 5,743,735.18, 7,928,384.08 and 5,130,822.96
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Solution
The fourth proportional to 5,743,735.18, 7,928,384.08 and 5,130,822.96 is: 7,082,348.65
Step by Step Solution
- Step 1: Write the proportion equation
5,743,735.18 : 7,928,384.08 = 5,130,822.96 : x - Step 2: Convert to fraction form
5,743,735.18/7,928,384.08 = 5,130,822.96/x - Step 3: Cross multiply
5,743,735.18x = 7,928,384.08 × 5,130,822.96 - Step 4: Simplify right side
5,743,735.18x = 40,679,135,073,362.48 - Step 5: Solve for x
x = 40,679,135,073,362.48/5,743,735.18 - Step 6: Final answer
x = 7,082,348.65
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1.5x scale
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.