Finding the Fourth Proportional to 5,545,114.80, 7,641,357.93 and 4,239,845.75
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Solution
The fourth proportional to 5,545,114.80, 7,641,357.93 and 4,239,845.75 is: 5,842,652.51
Step by Step Solution
- Step 1: Write the proportion equation
5,545,114.80 : 7,641,357.93 = 4,239,845.75 : x - Step 2: Convert to fraction form
5,545,114.80/7,641,357.93 = 4,239,845.75/x - Step 3: Cross multiply
5,545,114.80x = 7,641,357.93 × 4,239,845.75 - Step 4: Simplify right side
5,545,114.80x = 32,398,178,905,532.51 - Step 5: Solve for x
x = 32,398,178,905,532.51/5,545,114.80 - Step 6: Final answer
x = 5,842,652.51
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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.