Finding the Fourth Proportional to 5,915,120.18, 8,874,252.20 and 1,871,679.84
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Solution
The fourth proportional to 5,915,120.18, 8,874,252.20 and 1,871,679.84 is: 2,808,017.15
Step by Step Solution
- Step 1: Write the proportion equation
5,915,120.18 : 8,874,252.20 = 1,871,679.84 : x - Step 2: Convert to fraction form
5,915,120.18/8,874,252.20 = 1,871,679.84/x - Step 3: Cross multiply
5,915,120.18x = 8,874,252.20 × 1,871,679.84 - Step 4: Simplify right side
5,915,120.18x = 16,609,758,937,815.65 - Step 5: Solve for x
x = 16,609,758,937,815.65/5,915,120.18 - Step 6: Final answer
x = 2,808,017.15
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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.