Finding the Fourth Proportional to 6,454,746.36, 8,907,745.95 and 3,554,241.03
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Solution
The fourth proportional to 6,454,746.36, 8,907,745.95 and 3,554,241.03 is: 4,904,960.53
Step by Step Solution
- Step 1: Write the proportion equation
6,454,746.36 : 8,907,745.95 = 3,554,241.03 : x - Step 2: Convert to fraction form
6,454,746.36/8,907,745.95 = 3,554,241.03/x - Step 3: Cross multiply
6,454,746.36x = 8,907,745.95 × 3,554,241.03 - Step 4: Simplify right side
6,454,746.36x = 31,660,276,140,306.32 - Step 5: Solve for x
x = 31,660,276,140,306.32/6,454,746.36 - Step 6: Final answer
x = 4,904,960.53
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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.