Finding the Fourth Proportional to 5,980,987.62, 8,968,328.91 and 2,611,258.02
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Solution
The fourth proportional to 5,980,987.62, 8,968,328.91 and 2,611,258.02 is: 3,915,510.66
Step by Step Solution
- Step 1: Write the proportion equation
5,980,987.62 : 8,968,328.91 = 2,611,258.02 : x - Step 2: Convert to fraction form
5,980,987.62/8,968,328.91 = 2,611,258.02/x - Step 3: Cross multiply
5,980,987.62x = 8,968,328.91 × 2,611,258.02 - Step 4: Simplify right side
5,980,987.62x = 23,418,620,792,235.36 - Step 5: Solve for x
x = 23,418,620,792,235.36/5,980,987.62 - Step 6: Final answer
x = 3,915,510.66
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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.