Finding the Fourth Proportional to 5,724,886.80, 8,587,747.10 and 2,130,652.53
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Solution
The fourth proportional to 5,724,886.80, 8,587,747.10 and 2,130,652.53 is: 3,196,133.95
Step by Step Solution
- Step 1: Write the proportion equation
5,724,886.80 : 8,587,747.10 = 2,130,652.53 : x - Step 2: Convert to fraction form
5,724,886.80/8,587,747.10 = 2,130,652.53/x - Step 3: Cross multiply
5,724,886.80x = 8,587,747.10 × 2,130,652.53 - Step 4: Simplify right side
5,724,886.80x = 18,297,505,074,961.90 - Step 5: Solve for x
x = 18,297,505,074,961.90/5,724,886.80 - Step 6: Final answer
x = 3,196,133.95
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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.