Finding the Fourth Proportional to 3,340,624.68, 4,610,074.70 and 1,812,731.81
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Solution
The fourth proportional to 3,340,624.68, 4,610,074.70 and 1,812,731.81 is: 2,501,576.75
Step by Step Solution
- Step 1: Write the proportion equation
3,340,624.68 : 4,610,074.70 = 1,812,731.81 : x - Step 2: Convert to fraction form
3,340,624.68/4,610,074.70 = 1,812,731.81/x - Step 3: Cross multiply
3,340,624.68x = 4,610,074.70 × 1,812,731.81 - Step 4: Simplify right side
3,340,624.68x = 8,356,829,036,647.66 - Step 5: Solve for x
x = 8,356,829,036,647.66/3,340,624.68 - Step 6: Final answer
x = 2,501,576.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.