Finding the Fourth Proportional to 2,690,795.16, 4,037,007.60 and 961,438.56
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Solution
The fourth proportional to 2,690,795.16, 4,037,007.60 and 961,438.56 is: 1,442,448.99
Step by Step Solution
- Step 1: Write the proportion equation
2,690,795.16 : 4,037,007.60 = 961,438.56 : x - Step 2: Convert to fraction form
2,690,795.16/4,037,007.60 = 961,438.56/x - Step 3: Cross multiply
2,690,795.16x = 4,037,007.60 × 961,438.56 - Step 4: Simplify right side
2,690,795.16x = 3,881,334,773,653.06 - Step 5: Solve for x
x = 3,881,334,773,653.06/2,690,795.16 - Step 6: Final answer
x = 1,442,448.99
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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.