Finding the Fourth Proportional to 4,758,859.17, 7,129,628.23 and 4,248,675.81
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Solution
The fourth proportional to 4,758,859.17, 7,129,628.23 and 4,248,675.81 is: 6,365,281.66
Step by Step Solution
- Step 1: Write the proportion equation
4,758,859.17 : 7,129,628.23 = 4,248,675.81 : x - Step 2: Convert to fraction form
4,758,859.17/7,129,628.23 = 4,248,675.81/x - Step 3: Cross multiply
4,758,859.17x = 7,129,628.23 × 4,248,675.81 - Step 4: Simplify right side
4,758,859.17x = 30,291,478,995,094.12 - Step 5: Solve for x
x = 30,291,478,995,094.12/4,758,859.17 - Step 6: Final answer
x = 6,365,281.66
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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.