Finding the Fourth Proportional to 5,107,461.24, 7,048,374.66 and 2,784,355.32
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Solution
The fourth proportional to 5,107,461.24, 7,048,374.66 and 2,784,355.32 is: 3,842,452.94
Step by Step Solution
- Step 1: Write the proportion equation
5,107,461.24 : 7,048,374.66 = 2,784,355.32 : x - Step 2: Convert to fraction form
5,107,461.24/7,048,374.66 = 2,784,355.32/x - Step 3: Cross multiply
5,107,461.24x = 7,048,374.66 × 2,784,355.32 - Step 4: Simplify right side
5,107,461.24x = 19,625,179,481,924.19 - Step 5: Solve for x
x = 19,625,179,481,924.19/5,107,461.24 - Step 6: Final answer
x = 3,842,452.94
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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.