Finding the Fourth Proportional to 7,709,457.42, 11,564,212.14 and 1,952,188.29
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Solution
The fourth proportional to 7,709,457.42, 11,564,212.14 and 1,952,188.29 is: 2,928,289.02
Step by Step Solution
- Step 1: Write the proportion equation
7,709,457.42 : 11,564,212.14 = 1,952,188.29 : x - Step 2: Convert to fraction form
7,709,457.42/11,564,212.14 = 1,952,188.29/x - Step 3: Cross multiply
7,709,457.42x = 11,564,212.14 × 1,952,188.29 - Step 4: Simplify right side
7,709,457.42x = 22,575,519,522,783.84 - Step 5: Solve for x
x = 22,575,519,522,783.84/7,709,457.42 - Step 6: Final answer
x = 2,928,289.02
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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.