Finding the Fourth Proportional to 5,283,954.66, 7,291,176.77 and 3,107,703.76
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Solution
The fourth proportional to 5,283,954.66, 7,291,176.77 and 3,107,703.76 is: 4,288,230.87
Step by Step Solution
- Step 1: Write the proportion equation
5,283,954.66 : 7,291,176.77 = 3,107,703.76 : x - Step 2: Convert to fraction form
5,283,954.66/7,291,176.77 = 3,107,703.76/x - Step 3: Cross multiply
5,283,954.66x = 7,291,176.77 × 3,107,703.76 - Step 4: Simplify right side
5,283,954.66x = 22,658,817,471,656.96 - Step 5: Solve for x
x = 22,658,817,471,656.96/5,283,954.66 - Step 6: Final answer
x = 4,288,230.87
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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.