Finding the Fourth Proportional to 2,571,637.32, 3,857,455.68 and 865,637.39
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Solution
The fourth proportional to 2,571,637.32, 3,857,455.68 and 865,637.39 is: 1,298,455.99
Step by Step Solution
- Step 1: Write the proportion equation
2,571,637.32 : 3,857,455.68 = 865,637.39 : x - Step 2: Convert to fraction form
2,571,637.32/3,857,455.68 = 865,637.39/x - Step 3: Cross multiply
2,571,637.32x = 3,857,455.68 × 865,637.39 - Step 4: Simplify right side
2,571,637.32x = 3,339,157,873,273.37 - Step 5: Solve for x
x = 3,339,157,873,273.37/2,571,637.32 - Step 6: Final answer
x = 1,298,455.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.