Finding the Fourth Proportional to 2,225,595.24, 3,071,486.40 and 1,245,632.28
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Solution
The fourth proportional to 2,225,595.24, 3,071,486.40 and 1,245,632.28 is: 1,719,064.88
Step by Step Solution
- Step 1: Write the proportion equation
2,225,595.24 : 3,071,486.40 = 1,245,632.28 : x - Step 2: Convert to fraction form
2,225,595.24/3,071,486.40 = 1,245,632.28/x - Step 3: Cross multiply
2,225,595.24x = 3,071,486.40 × 1,245,632.28 - Step 4: Simplify right side
2,225,595.24x = 3,825,942,607,420.99 - Step 5: Solve for x
x = 3,825,942,607,420.99/2,225,595.24 - Step 6: Final answer
x = 1,719,064.88
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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.