Finding the Fourth Proportional to 5,417,260.09, 8,128,552.80 and 2,178,668.48
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Solution
The fourth proportional to 5,417,260.09, 8,128,552.80 and 2,178,668.48 is: 3,269,073.56
Step by Step Solution
- Step 1: Write the proportion equation
5,417,260.09 : 8,128,552.80 = 2,178,668.48 : x - Step 2: Convert to fraction form
5,417,260.09/8,128,552.80 = 2,178,668.48/x - Step 3: Cross multiply
5,417,260.09x = 8,128,552.80 × 2,178,668.48 - Step 4: Simplify right side
5,417,260.09x = 17,709,421,740,902.99 - Step 5: Solve for x
x = 17,709,421,740,902.99/5,417,260.09 - Step 6: Final answer
x = 3,269,073.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.