Finding the Fourth Proportional to 3,998,291.28, 5,518,352.28 and 2,367,603.84
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Solution
The fourth proportional to 3,998,291.28, 5,518,352.28 and 2,367,603.84 is: 3,267,713.91
Step by Step Solution
- Step 1: Write the proportion equation
3,998,291.28 : 5,518,352.28 = 2,367,603.84 : x - Step 2: Convert to fraction form
3,998,291.28/5,518,352.28 = 2,367,603.84/x - Step 3: Cross multiply
3,998,291.28x = 5,518,352.28 × 2,367,603.84 - Step 4: Simplify right side
3,998,291.28x = 13,065,272,048,600.76 - Step 5: Solve for x
x = 13,065,272,048,600.76/3,998,291.28 - Step 6: Final answer
x = 3,267,713.91
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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.