Finding the Fourth Proportional to 5,671,403.76, 7,825,191.54 and 3,223,822.68
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Solution
The fourth proportional to 5,671,403.76, 7,825,191.54 and 3,223,822.68 is: 4,448,110.38
Step by Step Solution
- Step 1: Write the proportion equation
5,671,403.76 : 7,825,191.54 = 3,223,822.68 : x - Step 2: Convert to fraction form
5,671,403.76/7,825,191.54 = 3,223,822.68/x - Step 3: Cross multiply
5,671,403.76x = 7,825,191.54 × 3,223,822.68 - Step 4: Simplify right side
5,671,403.76x = 25,227,029,961,996.13 - Step 5: Solve for x
x = 25,227,029,961,996.13/5,671,403.76 - Step 6: Final answer
x = 4,448,110.38
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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.