Finding the Fourth Proportional to 1,340,670.36, 1,848,388.55 and 868,337.79
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Solution
The fourth proportional to 1,340,670.36, 1,848,388.55 and 868,337.79 is: 1,197,181.40
Step by Step Solution
- Step 1: Write the proportion equation
1,340,670.36 : 1,848,388.55 = 868,337.79 : x - Step 2: Convert to fraction form
1,340,670.36/1,848,388.55 = 868,337.79/x - Step 3: Cross multiply
1,340,670.36x = 1,848,388.55 × 868,337.79 - Step 4: Simplify right side
1,340,670.36x = 1,605,025,617,295.16 - Step 5: Solve for x
x = 1,605,025,617,295.16/1,340,670.36 - Step 6: Final answer
x = 1,197,181.40
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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.