Finding the Fourth Proportional to 5,531,606.40, 7,616,246.16 and 4,703,050.52
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Solution
The fourth proportional to 5,531,606.40, 7,616,246.16 and 4,703,050.52 is: 6,475,440.92
Step by Step Solution
- Step 1: Write the proportion equation
5,531,606.40 : 7,616,246.16 = 4,703,050.52 : x - Step 2: Convert to fraction form
5,531,606.40/7,616,246.16 = 4,703,050.52/x - Step 3: Cross multiply
5,531,606.40x = 7,616,246.16 × 4,703,050.52 - Step 4: Simplify right side
5,531,606.40x = 35,819,590,471,352.13 - Step 5: Solve for x
x = 35,819,590,471,352.13/5,531,606.40 - Step 6: Final answer
x = 6,475,440.92
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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.