Finding the Fourth Proportional to 3,497,956.32, 5,242,389.84 and 1,577,457.12
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Solution
The fourth proportional to 3,497,956.32, 5,242,389.84 and 1,577,457.12 is: 2,364,136.20
Step by Step Solution
- Step 1: Write the proportion equation
3,497,956.32 : 5,242,389.84 = 1,577,457.12 : x - Step 2: Convert to fraction form
3,497,956.32/5,242,389.84 = 1,577,457.12/x - Step 3: Cross multiply
3,497,956.32x = 5,242,389.84 × 1,577,457.12 - Step 4: Simplify right side
3,497,956.32x = 8,269,645,178,923.66 - Step 5: Solve for x
x = 8,269,645,178,923.66/3,497,956.32 - Step 6: Final answer
x = 2,364,136.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.