Finding the Fourth Proportional to 7,243,051.40, 10,848,830.70 and 4,398,201.80
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Solution
The fourth proportional to 7,243,051.40, 10,848,830.70 and 4,398,201.80 is: 6,587,741.01
Step by Step Solution
- Step 1: Write the proportion equation
7,243,051.40 : 10,848,830.70 = 4,398,201.80 : x - Step 2: Convert to fraction form
7,243,051.40/10,848,830.70 = 4,398,201.80/x - Step 3: Cross multiply
7,243,051.40x = 10,848,830.70 × 4,398,201.80 - Step 4: Simplify right side
7,243,051.40x = 47,715,346,712,635.26 - Step 5: Solve for x
x = 47,715,346,712,635.26/7,243,051.40 - Step 6: Final answer
x = 6,587,741.01
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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.