Finding the Fourth Proportional to 2,564,809.92, 3,539,331.36 and 1,403,250.48
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Solution
The fourth proportional to 2,564,809.92, 3,539,331.36 and 1,403,250.48 is: 1,936,427.49
Step by Step Solution
- Step 1: Write the proportion equation
2,564,809.92 : 3,539,331.36 = 1,403,250.48 : x - Step 2: Convert to fraction form
2,564,809.92/3,539,331.36 = 1,403,250.48/x - Step 3: Cross multiply
2,564,809.92x = 3,539,331.36 × 1,403,250.48 - Step 4: Simplify right side
2,564,809.92x = 4,966,568,429,799.05 - Step 5: Solve for x
x = 4,966,568,429,799.05/2,564,809.92 - Step 6: Final answer
x = 1,936,427.49
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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.