Finding the Fourth Proportional to 5,626,713.60, 7,764,435.36 and 3,421,269.90
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Solution
The fourth proportional to 5,626,713.60, 7,764,435.36 and 3,421,269.90 is: 4,721,091.36
Step by Step Solution
- Step 1: Write the proportion equation
5,626,713.60 : 7,764,435.36 = 3,421,269.90 : x - Step 2: Convert to fraction form
5,626,713.60/7,764,435.36 = 3,421,269.90/x - Step 3: Cross multiply
5,626,713.60x = 7,764,435.36 × 3,421,269.90 - Step 4: Simplify right side
5,626,713.60x = 26,564,228,987,663.66 - Step 5: Solve for x
x = 26,564,228,987,663.66/5,626,713.60 - Step 6: Final answer
x = 4,721,091.36
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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.