Finding the Fourth Proportional to 5,242,317.16, 7,234,630.50 and 2,950,626.28
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Solution
The fourth proportional to 5,242,317.16, 7,234,630.50 and 2,950,626.28 is: 4,071,995.31
Step by Step Solution
- Step 1: Write the proportion equation
5,242,317.16 : 7,234,630.50 = 2,950,626.28 : x - Step 2: Convert to fraction form
5,242,317.16/7,234,630.50 = 2,950,626.28/x - Step 3: Cross multiply
5,242,317.16x = 7,234,630.50 × 2,950,626.28 - Step 4: Simplify right side
5,242,317.16x = 21,346,690,879,389.54 - Step 5: Solve for x
x = 21,346,690,879,389.54/5,242,317.16 - Step 6: Final answer
x = 4,071,995.31
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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.