Finding the Fourth Proportional to 6,618,507.24, 9,134,459.28 and 3,718,118.76
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Solution
The fourth proportional to 6,618,507.24, 9,134,459.28 and 3,718,118.76 is: 5,131,520.32
Step by Step Solution
- Step 1: Write the proportion equation
6,618,507.24 : 9,134,459.28 = 3,718,118.76 : x - Step 2: Convert to fraction form
6,618,507.24/9,134,459.28 = 3,718,118.76/x - Step 3: Cross multiply
6,618,507.24x = 9,134,459.28 × 3,718,118.76 - Step 4: Simplify right side
6,618,507.24x = 33,963,004,411,424.09 - Step 5: Solve for x
x = 33,963,004,411,424.09/6,618,507.24 - Step 6: Final answer
x = 5,131,520.32
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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.