Finding the Fourth Proportional to 5,578,738.76, 7,698,237 and 3,130,877.06
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Solution
The fourth proportional to 5,578,738.76, 7,698,237 and 3,130,877.06 is: 4,320,373.24
Step by Step Solution
- Step 1: Write the proportion equation
5,578,738.76 : 7,698,237 = 3,130,877.06 : x - Step 2: Convert to fraction form
5,578,738.76/7,698,237 = 3,130,877.06/x - Step 3: Cross multiply
5,578,738.76x = 7,698,237 × 3,130,877.06 - Step 4: Simplify right side
5,578,738.76x = 24,102,233,625,743.22 - Step 5: Solve for x
x = 24,102,233,625,743.22/5,578,738.76 - Step 6: Final answer
x = 4,320,373.24
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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.