Finding the Fourth Proportional to 5,720,406.12, 8,580,681.36 and 1,676,975.22
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Solution
The fourth proportional to 5,720,406.12, 8,580,681.36 and 1,676,975.22 is: 2,515,483.99
Step by Step Solution
- Step 1: Write the proportion equation
5,720,406.12 : 8,580,681.36 = 1,676,975.22 : x - Step 2: Convert to fraction form
5,720,406.12/8,580,681.36 = 1,676,975.22/x - Step 3: Cross multiply
5,720,406.12x = 8,580,681.36 × 1,676,975.22 - Step 4: Simplify right side
5,720,406.12x = 14,389,590,011,435.90 - Step 5: Solve for x
x = 14,389,590,011,435.90/5,720,406.12 - Step 6: Final answer
x = 2,515,483.99
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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.